Question

(2) homozygous dominant bb, aa, ee, nn, hh, hh, aa, ll, mm, gg
(3) homozygous recessive yy, gg, aa, bb, nn, nn, ll, oo, ee, aa

Explanation:

Homozygous recessive means having two identical recessive alleles (lowercase letters) for a gene. We identify pairs where both alleles are the same lowercase letter.

Answer:

aa, nn, oo, ee