If You Cross Two Pea Plants,one with Green Peas and the Other

Multiple Choice

If you cross two pea plants,one with green peas and the other with yellow peas.All of the offspring have yellow peas.You conclude:

A) The yellow parent was homozygous for the recessive allele
B) The yellow parent was homozygous for the dominant gene
C) The yellow parent was homozygous for the dominant allele
D) The yellow parent was homozygous for the recessive gene
E) The yellow parent was heterozygous