4. To identify the genotype of yellow-seeded pea plants as either homozygous dominant (YY) or heterozygous (Yy), you could do a test cross with plants of genotype ________. (explain your answer)

Question

Do we do a punnet square?

Answer 1

Yes you would use a Punnet Square

Answer 2

I think I would Yy, if it heterozygous, you will get 1/4 yy,