How Do Diploidy And Balancing Selection Preserve Genetic Variation? [Solved]

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How Do Diploidy And Balancing Selection Preserve Genetic Variation? [Solved]

How does diploidy act to maintain genetic variation? In order to be subject to natural selection, an allele must have an expressed phenotype. In diploid (or polyploid) species, recessive alleles can be maintained, even if they are deleterious, because the phenotype is not expressed in heterozygotes.

Balancing Selection

Biology Professor (Twitter: @DrWhitneyHolden) explains the concept of

AP Biology: Genetic Variation Preservation and Natural Selection’s Limits

Shreyas discusses how nature prevents natural

AP Biology: Genetic Variation Preservation and Natural Selection’s Limits

Shreyas discusses how nature prevents natural