which of the following genotypes is homozygous? □ tt □ tt □ tt □ aa

QUESTION IMAGE

Question

which of the following genotypes is homozygous?
□ tt
□ tt
□ tt
□ aa

Explanation:

Brief Explanations

A homozygous genotype has two identical alleles. In TT and tt, the alleles are identical for the trait. In Tt and Aa, the alleles are different (heterozygous).

Answer:

A. TT
C. tt