Allen and Andrew have the same biological parents. Why do they not look identical to either of their parents?

Question

Responses

AEach child receives only paternal genes.
Each child receives only paternal genes.
BEach child receives only maternal genes.
Each child receives only maternal genes.
CEach child receives only half of each parent’s genes.
Each child receives only half of each parent’s genes.
DEach child receives genes from only one of the parents.

Answer 1

Each child receives genes from both of the parents.