If two giraffes were crossed, where one is heterozygous for albinism (a) and the other has a homozygous dominant genotype, what would be the expected genotypic and phenotypic ratios?
a) 2 AA: 2 Aa: 0 aa; all pigmented
b) 1 AA: 2Aa: 1aa; 3 pigmented: 2 albino
c) 2 AA: 2 Aa: 0 aa; 4 pigmented: 2 albino
d) 2 AA: 0 Aa: 0 aa; all pigmented
e) 0 AA: 0 Aa: 1 aa; all albino
Ans: a) 2 AA: 2 Aa: 0 aa; all pigmented
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