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tiny-mole [99]
3 years ago
14

A person that is heterozygous type A (AO) marries a person that is heterozygous type B (BO).

Biology
2 answers:
inna [77]3 years ago
7 0

The right answer is 25%

The offsprings are: AO, OO, AB, BO .

Red blood cells with phenotype O can only correspond to a single OO genotype, but to phenotype A can correspond homozygous AA or heterozygous AO subjects. Phenotype B may also correspond BB homozygotes or BO heterozygotes. On the other hand, subjects AB are necessarily heterozygous, having inherited an allele A and a allele B.

Kipish [7]3 years ago
4 0
     A     O
B  AB   BO
O  AO  OO 

25%
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