Question

If the heterozygote codes for the average of a particular phenotype, and being average brings about a reproductive advantage, over time what would the phenotype distribution look like, and what type of selection would have occurred?

disruptive selection with both homozygote genotypes increasing
stabilizing selection with a heterozygote genotype increasing
stabilizing selection with a homozygote genotype increasing
directional selection toward both homozygotes
disruptive selection with the heterozygote increasing

Answer 1

B

Answer 2

why would you say B @bellablain. Thanks for the response!

Answer 3

they're intermediates