The chart below shows many traits found in pea plants. A botanist crosses two pure breeding pea plants, one with yellow seeds and one with green seeds, then use those offspring to produce a F2 generation.

3 homozygous dominant : 0 heterozygous : 1 homozygous recessive

0 homozygous dominant : 3 heterozygous : 1 homozygous recessive

0 homozygous dominant : 4 heterozygous : 0 homozygous recessive

1 homozygous dominant : 2 heterozygous : 1 homozygous recessive