If Individuals Exhibiting a Dominant Phenotype Are Crossed and Produce

Multiple Choice

If individuals exhibiting a dominant phenotype are crossed and produce only offspring with the dominant phenotype, what would be the logical genotype of the parents?

A) both are homozygous recessive
B) one is heterozygous and one is homozygous dominant
C) both are homozygous dominant
D) both are heterozygous
E) two of the options may be correct