ExamView - Fall Semester Final Exam Practice Test.tst - Biology

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78) Which of the following cell types is diploid?A) ovumB) sex cellC) somatic cellD) gamete79) A distinguishing characteristic that can be inherited is a(n)A) cross.B) allele.C) gene.D) trait.80) Which of the following phrases describes the Punnett square in Figure 6.1?A) 1/4 probability of heterozygous offspringB) monohybrid heterozygous-heterozygous crossC) 3/4 probability of homozygous offspringD) dihybrid heterozygous-heterozygous cross81) Which of the following statements is true of homozygous alleles?A) They are always inherited together.B) They are different forms of the same trait.C) They are identical forms of the same gene.D) They are identical forms of two different genes.82) Which law states that organisms inherit two copies of each gene and donate one copy to each of their offspring?A) law of genetic linkageB) law of segregationC) law of independent assortmentD) law of inheritance83) Mendel knew that the variations in the offspring generations resulted from his experiments because heA) allowed plants to cross-pollinate.B) ensured that plants self-pollinated.C) controlled the fertilization process.D) changed the growing conditions.84) Which pair of genes in Figure 6.2 would be most likely to be inherited together?A) A and BB) A and CC) A and DD) A and E12
85) Which event takes place during anaphase II of meiosis II?A) Nuclear membrane breaks down.B) Spindle fibers disassemble.C) Sister chromatids separate.D) Cytoplasm divides.86) Recessive alleles may not be expressed because they areA) masked by a dominant allele.B) the least common allele in a population.C) the most common allele in a population.D) less likely to have crossing over.87) Mendel's second law of genetics, the law of independent assortment, is one explanation of theA) random fertilization of gametes.B) genetic variation within species.C) greater strength of dominant alleles.D) final stages of gametogenesis.88) Which of the following events is an important factor in increasing variety among sexually reproducing organisms?A) testcrossB) gene linkageC) crossing overD) mitosis89) Mendel's observation that traits are inherited separately was based on which set of experiments?A) monohybrid crossesB) purebred crossesC) testcrossesD) dihybrid crosses90) Imagine two heterozygous parents. Each has a dominant allele X for brown eyes and a recessive allele x for blueeyes. The phenotypic ratio for brown:blue eyes in their children isA) 1:2:1.B) 3:1.C) 9:3:3:1.D) 1:3:1.91) A person who has a disorder caused by a recessive allele isA) considered a carrier of the disorder.B) homozygous for the recessive allele.C) unable to pass the allele to offspring.D) certain to have offspring with the disorder.92) Gene expression is influenced by many factors. Which of the following is a factor in gene expression?A) karyotypeB) pedigreeC) environmentD) phenotype13
Page 3 and 4: 15) Exploring how indoor air pollut
Page 5: 29) In the lock-and-key model of en
Page 8 and 9: 50) The water molecules labeled A i
Page 14 and 15: 93) The Punnett square in Figure 7.
Page 16 and 17: 108) Figure 8.1 shows a single stra
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Page 20: ID: A87) ANS: B TOP: Ch 6 Test - A8

ExamView - Fall Semester Final Exam Practice Test.tst - Biology

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