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pantera1 [17]
3 years ago
5

Human ABO blood type is determined by a single gene that comes in 3 distinct alleles: IA , IB , and i. The IA and IB alleles are

each dominant to the i allele, but are codominant with each other, meaning that both phenotypes are expressed in the heterozygote. The Punnett square below shows a cross between two parents with different blood types.Drag the genotypes and phenotypes from the left to correctly complete the Punnett square.
Biology
1 answer:
alexandr402 [8]3 years ago
5 0

Answer:

given, mother and father are heterozygotes.

let, father has B blood group and mother has A blood group.

then their heterozygous  genotypes are --

father = iB, iO  and mother = iA, iO

punnett square will be,

        iB        iO

iA     iA iB     iA iO

iO     iB iO    iO iO

the genotypes of their progeny will be, iAiB ,  iAiO ,iBiO and iOiO

and phenotypes will be 3 are heterozygous and 1 is homozygous.

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