Question

Why do children sometimes look very similar to their parents?

A.
Children look like the parent that they spend the most time with.

B.
Children only inherit genes from the parent of the same gender.

C.
Children inherit a combination of genes from both parents.

D.
Children and parents are quite often raised in the same environment.

Answer 1

C. Children inherit a combination of genes from both parents.

Genes (alleles) for physical traits come from each parent; the particular mix and dominant/recessive interactions make children resemble one or both parents. Environmental factors (answer D) can influence appearance too, but the primary reason is inherited genes.