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Why does sexual reproduction increase the genetic variation in a species?

A.
Sexual reproduction doubles the chromosome number.

B.
Sexual reproduction produces organisms with no DNA.

C.
The gametes in sexual reproduction are exact clones of the parents.

D.
A fertilized egg has a mixture of alleles from the two parents.

1 Answer

3 votes
D. A fertilized egg has a mixture of alleles from the two parents
User Macmist
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