In a certain plant species, the allele for yellow seeds (y) is dominant to the allele for green seeds. what is the phenotype result of a cross between a true-breeding yellow-seeded group of plants and a true-breeding green-seeded group of plants?

a.
all green seeds; no yellow seeds

b.
1/4 yellow seeds; 3/4 green seeds

c.
1/4 green seeds; 3/4 yellow seeds

d.
all yellow seeds; no green seeds