Sexual reproduction increases genetic variation in a population. Which is a way that meiosis and fertilization lead to genetic variation? (SC.912.L.16.17)
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1 point
A. Alleles are recombined when gametes from different parents join together.
B. Mutations are usually repaired by cellular machinery before genes are expressed.
C. DNA is replicated when a fertilized egg becomes a growing embryo through mitosis.
D. Parents that are homozygous for the same trait will have offspring that are also homozygous for that trait.
1 answer
A. Alleles are recombined when gametes from different parents join together.