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Which of the Following Mechanisms Generates New Alleles

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A Heterozygotes serve as a reservoir of recessive alleles. 21 Which of the following contributes to genetic diversity. The Hardy Weinberg Principle Learn Science At Scitable Which of the following mechanisms can alter allele frequencies. . Natural selection is the only mechanism that consistently causes adaptive evolution a Sexual selection acts to make organisms better adapted to their environments. 23 Where do new alleles come from. Random changes in DNA sequences can lead to new alleles. 22 What are the three main sources of genetic variation. Ten of the. E All of the answer choices describe ways that variation is maintained within a population. B Mutation generates new alleles. A mutation could cause beetle parents with genes for bright green coloration to have offspring with a gene. Gene flow Gene flow is only a mechanism by which pre-existing alleles are transferred among populations. ...