Evolution__3rd_Edition

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452 PART 4 / <strong>Evolution</strong> and Diversity Figure 15.17 Tree for human immunodeficiency virus (HIV) and other related viruses (SIV) that infect other primate species. The tree was constructed using 38 amino acid sequences of the pol gene, by a phylogenetic method called neighbor joining. (Tree courtesy of Dr D. Robertson. See Holmes (2000a) for a similar tree, and further discussion.) Tree for viruses (HIV/SIV) Primate hosts 0.1 substitutions/site SIVcpz HIV-1/O SIVcpz HIV-1/N HIV-1/M SIVagmTAN SIVagmGRI SIVagmVER SIVmnd HIV-2/A HIV-2/B 15.11.1 Molecular sequences can be difficult to align SIVsyk When we compare a DNA sequence from two species, and count how many nucleotides have changed, we need to be sure that each site in one species corresponds to the same site in the other species. The two sequences need to be correctly aligned. Alignment is not simply a matter of putting the two sequences next to each other. With normal length sequences of more than 100 nucleotides, regions will usually have been deleted during evolution in some species and added to others, such that the sequences of the different species do not simply align, with nucleotide number 39 of species 1 corresponding to nucleotide 39 of the other species. There are ways of dealing with the problem, but they can sometimes go wrong. (See the references in the further reading section at the end of the chapter.) 15.11.2 The number of possible trees may be too large for them all to be analyzed In Section 15.9.4 and 15.9.5, we saw that it is necessary to search through all the possible trees in order to find the most likely, or the most parsimonious, tree. The problem is that the number of possible trees may be impossibly large. With four species, three bifurcating unrooted trees are possible meaning it is not difficult to count the number SIVsm SIVlhoest SIVsun SIVcol Chimpanzee Human Chimpanzee Human Human Tantalus monkey Grivet monkey Vervet monkey Sykes’ monkey Human Human Sooty mangabey Mandrill L’Hoest monkey Sun-tailed monkey Colobus monkey ..
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.. EVOLUTION
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© 2004 by Blackwell Science Ltd a
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vi Brief Contents PART 5. MACROEVOL
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viii Full Contents 3.5 Ring “spec
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x Full Contents 7.2 Rates of molecu
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xii Full Contents 10.5 Genetics of
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xiv Full Contents PART 4. EVOLUTION
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xvi Full Contents 14.12 Identificat
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xviii Full Contents 17.7 Geographic
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xx Full Contents 21.4.3 Ordovician
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Preface The theory of evolution is
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xxiv Preface evolve resistance to d
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.. Introduction Part one When Darwi
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4 PART 1 / Introduction Evolution i
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6 PART 1 / Introduction Examples ex
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8 PART 1 / Introduction Time (a) (b
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10 PART 1 / Introduction . . . look
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12 PART 1 / Introduction Time (a) (
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14 PART 1 / Introduction Figure 1.7
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18 PART 1 / Introduction . . . and
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20 PART 1 / Introduction Further re
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22 PART 1 / Introduction DNA is car
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24 PART 1 / Introduction Most genes
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26 PART 1 / Introduction Table 2.1
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28 PART 1 / Introduction Original D
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30 PART 1 / Introduction (a) Transp
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32 PART 1 / Introduction . . . per
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34 PART 1 / Introduction Dominance
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Figure 2.11 Two populations with 10
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42 PART 1 / Introduction Study and
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44 PART 1 / Introduction Life could
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48 PART 1 / Introduction Tooth qual
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50 PART 1 / Introduction Artificial
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52 PART 1 / Introduction Ring speci
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54 PART 1 / Introduction Human obse
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58 PART 1 / Introduction 5' pG Anti
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62 PART 1 / Introduction (a) α-hem
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64 PART 1 / Introduction Age (Myr a
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66 PART 1 / Introduction The groups
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68 PART 1 / Introduction The scient
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70 PART 1 / Introduction Study and
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Plate 3 Here in the lower row are s
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Plate 6 Scrub jays (Aphelocoma coer
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Plate 8 Chromosomal races of the ho
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Plate 10 Geological map of North Am
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72 PART 1 / Introduction Cod produc
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74 PART 1 / Introduction The strugg
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76 PART 1 / Introduction Many chara
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82 PART 1 / Introduction Chromosome
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86 PART 1 / Introduction The condit
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90 PART 1 / Introduction Summary 1
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.. Evolutionary Genetics Part two T
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.. 5 The Theory of Natural Selectio
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.. Figure 5.1 The general model of
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.. . . . and use Mendel’s rules t
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.. A simpler proof of the Hardy- We
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.. The MN human blood group system
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.. CHAPTER 5 / The Theory of Natura
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.. We need to know more to understa
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.. Figure 5.4 Peppered moths natura
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.. Mark-recapture experiments sugge
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.. Manchester The fitness estimates
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.. Pests, such as mosquitoes, evolv
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.. Figure 5.8 The mortality of mosq
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.. Box 5.2 Resistance Management Th
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.. Other factors will be at work in
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.. . . . which can sometimes be use
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.. Figure 5.9 The global incidence
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.. In host-parasite relations, the
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.. Populations may be subdivided CH
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.. We construct a model of gene fre
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.. We construct a model of selectio
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.. Further reading CHAPTER 5 / The
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.. 6 Random Events in Population Ge
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.. Box 6.1 Random Sampling in Genet
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.. Probability of polymorphism 1.0
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.. Evolution can occur by random dr
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.. Random drift has consequences fo
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.. Generation 1 Generation2 Adults
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.. CHAPTER 6 / Random Events in Pop
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.. Heterozygosity ( H ) 1.0 0.9 0.8
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.. Summary 1 In a small population,
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.. 7 Natural Selection and Random D
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.. Two extreme views b selectionist
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.. The original neutral theory has
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.. . . . and levels of polymorphism
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.. homozygotes by normal Mendelian
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.. Amino acid differences 1.0 0.9 0
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.. Globin evolution in “living fo
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.. Long-generation species, e.g., w
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.. Observed heterozygosity 1.0 0.8
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.. The nearly neutral theory can ex
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.. Insulin illustrates the effect o
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.. CHAPTER 7 / Natural Selection an
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.. Biologists came to accept, throu
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.. Elevated dN/dS ratios are observ
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.. Box 7.4 Model Organisms for Biom
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.. But the test has proved illumina
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.. Evidence shows that synonymous c
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.. The genomic era is allowing new
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.. Summary 1 The neutral theory of
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.. Study and review questions 1 Dra
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.. The tiger swallowtail butterfly
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.. Mimicry requires the correct com
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.. A haplotype is a haploid combina
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.. Linkage disequilibrium ( D) r =
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.. The more complex multilocus mode
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.. Expected frequency ( piqi ) (a)
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.. A model of haplotype frequency c
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.. Evidence for linkage disequilibr
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.. (proportion of polymorphic sites
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.. CHAPTER 8 / Two-locus and Multil
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.. Adaptive topographies can be use
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.. Mean population fitness ( w ) -
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.. p' 0 1 0 Frequency of A allele S
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.. Study and review questions 1 Her
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.. Beak size influences feeding eff
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.. Population size Seed √depth ×
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.. Continuous characters are influe
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.. Genetic and environmental influe
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.. Several non-additive genetic fac
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.. Box 9.1 Some Statistical Terms U
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.. Parent-offspring similarity depe
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.. Frequency Frequency Generation 1
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.. New variation can be introduced
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.. (a) 1976-1977 (b) 1981-1982 (c)
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.. Figure 9.11 (a) The main veins i
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.. Certain non-linear relations can
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.. Behavior Physiology Life history
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.. Some heritable characters do not
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.. Further reading CHAPTER 9 / Quan
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.. Adaptation and Natural Selection
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.. 10Adaptive Explanation T his cha
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.. . . . factually, ... . . . or th
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.. Not all evolution is adaptive CH
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.. Figure 10.2 Stages in the evolut
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.. Some critics suggest that the in
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.. Box 10.1 Molecular Cooption The
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.. Fitness (a) (b) Small mutation L
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.. Figure 10.5 A cross between the
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.. . . . by experiment, ... . . . a
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.. Figure 10.6 The fruits of (a) Cr
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.. Heterozygous advantage may lead
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.. Figure 10.7 Developmental asymme
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.. . . . that can be tested between
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.. Fitness (a) Time 1 (b) Time 2 (c
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.. Fitness Fitness (a) Time 1 (c) T
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.. Imperfect adaptations may or may
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.. The “design” of an eye for s
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.. hypothesis of adaptation or cons
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.. Study and review questions 1 Wha
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.. An adaptation may benefit one le
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.. The sd gene gains an advantage f
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.. CHAPTER 11 / The Units of Select
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.. We define Hamilton’s rule Hami
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.. Kin selection is at work in this
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.. Selfish The theories of group se
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.. Box 11.1 Group Selection for Egg
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.. The unit of selection, in a seco
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.. * * The word “gene” is being
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.. Summary 1 Adaptations evolve by
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.. in Sexual Reproduction 12Adaptat
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.. Figure 12.2 Non-reproductive sex
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.. Figure 12.3 Evolution in (a) ase
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.. Asexual reproduction has a spind
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.. . . . as illustrated by a motor
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.. Log fitness of organisms Number
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.. Figure 12.7 Frequency changes of
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.. Genetic cycles in snails are con
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.. Darwin provided comparative evid
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.. . . . which may explain extreme
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.. Theory requires open-ended choic
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.. But selection may have removed h
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.. Courtship bouts Net reproductive
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.. Theory predicts deviations from
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.. CHAPTER 12 / Adaptations in Sexu
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.. Study and review questions 1 Wha
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346 PART 4 / Evolution and Diversit
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Page 920: 426 PART 4 / Evolution and Diversit
Page 974: .. The number of possible trees can
Page 978: .. . . . as happened in one study o
Page 982: .. Evolutionary time Species 1 Orth
Page 986: .. The root of a tree ... . . . can
Page 990: .. Figure 15.24 The rooted angiospe
Page 994: .. The fossil characters were reint
Page 998: .. Figure 15.27 Phylogeny of 103 sp
Page 1002: .. Summary 1 Phylogenies show the a
Page 1006: .. Study and review questions 1 Her
Page 1010: .. 16Classification and Evolution B
Page 1014: .. Phenetic classification is nonev
Page 1018: .. CHAPTER 16 / Classification and
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.. (a) Phenetic measurements for fi
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.. Distance can be measured in more
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.. Cladism admits only monophyletic
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.. Phylogenetic classification face
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.. Evolutionary classification admi
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.. Classification 1 Classification
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.. Other factors are probably at wo
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.. Study and review questions 1 Mat
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.. Figure 17.1 The natural distribu
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.. Figure 17.2 (a) The six main fau
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.. Dispersal is enabled by various
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.. Many species show similar geneti
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.. Figure 17.4 (b) The three major
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.. Fruitflies and lizards show a co
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.. Plate tectonics causes vicarianc
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.. Time Biogeographic distribution
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.. Figure 17.11 Testing vicariance
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.. (b) Five other vertebrate groups
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.. . . . and South American mammals
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.. CHAPTER 17 / Evolutionary Biogeo
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.. The Great American Interchange i
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.. CHAPTER 17 / Evolutionary Biogeo
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.. Macroevolution Part five Part 5
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.. 18The History of Life T his chap
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.. Geological maps show the locatio
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.. CHAPTER 18 / The History of Life
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.. Time (Myr BP) 0.5 1.0 2.0 3.0 4.
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.. Figure 18.3 Around 2-3 billion y
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.. . . . partly by symbiosis Atmosp
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536 PART 5 / Macroevolution Protost
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538 PART 5 / Macroevolution Plants
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540 PART 5 / Macroevolution Some ma
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542 PART 5 / Macroevolution The amn
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544 PART 5 / Macroevolution Figure
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546 PART 5 / Macroevolution Changes
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548 PART 5 / Macroevolution Myr ago
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550 PART 5 / Macroevolution Genetic
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554 PART 5 / Macroevolution Further
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19Evolutionary Genomics T he comple
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558 PART 5 / Macroevolution Some hu
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560 PART 5 / Macroevolution Molecul
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562 PART 5 / Macroevolution Superfl
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564 PART 5 / Macroevolution (a) Gen
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568 PART 5 / Macroevolution Transpo
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570 PART 5 / Macroevolution Summary
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Developmental Biology 20Evolutionar
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580 PART 5 / Macroevolution The Hox
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582 PART 5 / Macroevolution The num
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584 PART 5 / Macroevolution Mouse C
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586 PART 5 / Macroevolution A gene
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21Rates of Evolution E volutionary
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592 PART 5 / Macroevolution Time (M
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594 PART 5 / Macroevolution Table 2
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596 PART 5 / Macroevolution . . . a
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598 PART 5 / Macroevolution (a) 5 B
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602 PART 5 / Macroevolution Apparen
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606 PART 5 / Macroevolution Discret
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612 PART 5 / Macroevolution Further
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616 PART 5 / Macroevolution Full ev
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620 PART 5 / Macroevolution . . . o
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622 PART 5 / Macroevolution One stu
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624 PART 5 / Macroevolution Box 22.
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626 PART 5 / Macroevolution Table 2
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628 PART 5 / Macroevolution Nematod
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630 PART 5 / Macroevolution The cop
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634 PART 5 / Macroevolution Carnivo
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638 PART 5 / Macroevolution Number
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640 PART 5 / Macroevolution Coevolu
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642 PART 5 / Macroevolution Study a
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644 PART 5 / Macroevolution Adaptiv
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646 PART 5 / Macroevolution Extinct
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648 PART 5 / Macroevolution . . . b
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Tertiary Lower Danian Cretaceous Up
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652 PART 5 / Macroevolution The ast
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654 PART 5 / Macroevolution 10 6 ye
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656 PART 5 / Macroevolution Extinct
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658 PART 5 / Macroevolution Darwin
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660 PART 5 / Macroevolution (a) Ext
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664 PART 5 / Macroevolution Hansen
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666 PART 5 / Macroevolution Taxa wi
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668 PART 5 / Macroevolution Fossil
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670 PART 5 / Macroevolution One gro
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672 PART 5 / Macroevolution Molecul
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674 PART 5 / Macroevolution Changes
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676 PART 5 / Macroevolution . . . o
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680 PART 5 / Macroevolution (2002),
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Glossary Words in italics cross-ref
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684 Glossary individuals, such as p
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686 Glossary isolating mechanism An
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688 Glossary random drift Synonym o
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Answers to Study and Review Questio
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692 Answers to Study and Review Que
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700 References Arnold, M.L. (1997).
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702 References Briggs, D.E.G. & Cro
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704 References Clarke, C.A., Sheppa
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706 References Dietl, G.P., Alexand
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708 References Flynn, J.J. & Wyss,
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710 References Grant, P.R. & Grant,
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712 References Hey, J. (2001). Gene
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714 References Jeffreys, A.J., Royl
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716 References Kruuk, L.E.B., Meril
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718 References MacFadden, B.J. (199
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720 References Milinkovitch, M.C.,
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722 References Orr, H.A. (1998). Th
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724 References Rice, W.R. (2002). E
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726 References Sequeira, A.S., Lant
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728 References Surlyk, F. & Johanse
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730 References Vrba, E.S. (1993). T
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732 References Wright, S. (1977). E
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734 Index angiosperms (cont.): inse
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736 Index coloration (cont.): prezy
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738 Index evolution (cont.): long-t
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740 Index genetics (cont.): charact
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742 Index immunoglobulins 24 immuno
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744 Index molecular distance 440-2
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746 Index parasites (cont.): genome
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748 Index reproductive development
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750 Index synonymous changes (cont.
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