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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 389stage in the <strong>of</strong>fspring.generative a. [L. generare, to beget] Pertains to somatic cellgeneration as distinct from germ cells or gametes.generitype Obs. see type speciesgenerotype Obs. see type speciesgenesiology n. [Gr. genesis, descent; logos, discourse] Thescience <strong>of</strong> generation or heredity.Gene's organ (ARTHRO: Chelicerata) In female Ixodida, a cephalicglandular organ which functions only during egglaying.gene splicing see splicinggenetic assimilation The fixation <strong>of</strong> a genetic character beinginfluenced by artificial environmental changes, not evidentin the original phenotype.genetic balance Harmonious interaction <strong>of</strong> genes ensuringnormal development <strong>of</strong> the organism; genic balance.genetic code Genetic information that is encoded into DNAand transcribed to messenger RNA which forms peptides bygenetic translation.genetic drift Genetic changes in isolated populations causedby random phenomena rather than by natural selection.see population, local.genetic engineering Manipulation <strong>of</strong> DNA from different speciesto form recombinant DNA including genes from bothspecies.genetic equilibrium Condition <strong>of</strong> gene frequencies and genotypesin large populations that remain stable from generationto generation.genetic homeostasis The tendency <strong>of</strong> a population to balanceits genetic composition and to resist sudden changes.genetic isolation Having sterility barriers preventing interbreedingbetween two or more populations.genetic map A chromosome map; relative distance betweengenes on a chromosome measured by crossing over andrecombinations; may be recombination <strong>of</strong> genes (chromosomemap) or within genes (gene map).

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