Question

If someone has a dominant phenotype, their genotype can either be heterozygous or homozygous. The diagram shows a Punnett square for a particular trait among two parents, but one letter of a parent’s genotype is missing.

Which describes the letter that belongs where the question mark is?


A.T because there are offspring that are heterozygous

B.T because there are offspring that are homozygous

C.t because there are offspring that are homozygous.

D.t because there are offspring that are heterozygous.

Answer 1

the answer is letter c

Answer 2

The answer is "C" because t is the homozygous gene, so tt is a homozygous offspring.