A homozygous rooster with a comb (A) and bare legs (b) was crossed with a diheterozygous chicken with a comb
| December 11, 2020 | education
A homozygous rooster with a comb (A) and bare legs (b) was crossed with a diheterozygous chicken with a comb and feathered legs. determine the genotypes of the parents, genotypes and phenotypes of the first generation hybrids, the likelihood of offspring with the characteristics of the parents.
A-comb
a- no comb
B-feathered
b-naked
R: AAbb * AaBb
G: Ab AB aB Ab ab
F1: AABb (crest; feathered)
AaBb (crest; feathered)
AAbb (comb; bare)
aabb (no crest; bare)
The likelihood of a descendant with signs of parents 75%
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