Question

value: 2
which of the following pairs of alleles are homozygous for the trait?
mark all correct answers
□ a. aa
□ b. gg
□ c. aa
□ d. gg

Explanation:

In genetics, homozygous means having two identical alleles for a particular gene. For option b (GG), both alleles are the same (G). For option c (aa), both alleles are the same (a). Options a (Aa) and d (Gg) have different alleles (A and a; G and g), so they are heterozygous.

Answer:

B. GG, C. aa