No t,,;o people are genetically identical, except for
Chapter 0, Problem 4(choose chapter or problem)
No t,,;o people are genetically identical, except for identical twins. The chiefcause ofgenetic variation among human individuals is a. new mutations that occurred in the preceding generation. b. the reshuffling of alleles in sexual reproduction. c. genetic drift due to the small size of the population. d. geographic variation within the population. e. environmental effects.
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