If an Individual That Phenotypically Has Dominant Traits Is Mated

Multiple Choice

If an individual that phenotypically has dominant traits is mated to another individual that also has dominant traits and the progeny have both dominant and recessive traits it indicates that

A) Both parents are homozygotic
B) Both parents are heterozygotic
C) No conclusions can be made about the genotypes of the parents
D) One parent is heterozygotic and one is homozygotic