A scientist crossed two pea plants, both having the genotype RrYy. The Punnett square representing the cross is shown in the table. The scientist concluded that all of the offspring would have at least one dominant allele for either shape or color. What can be said about his conclusion?

Question

Deangelo Stevenson

Biology

2 August, 10:22

A scientist crossed two pea plants, both having the genotype RrYy. The Punnett square representing the cross is shown in the table. The scientist concluded that all of the offspring would have at least one dominant allele for either shape or color. What can be said about his conclusion?

+3

Answers (1)

Know the Answer?

Katherine Clarke · Answer 1

Just look at the possibilities of

RrYy x RrYy

It is possible for some offspring to have the genotype rryy, which obviously has no dominant alleles, so the conclusion is not correct.