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A woman with type O blood is married to a man with type B blood. Her child has type A blood
Could her husband be the father of this child? Draw a Punnett square to prove your answer

Respuesta :

FatmaZ

Answer:

It's not possible

Explanation:

The woman's genotype is IO IO. The man's genotype is either IB IB or IB IO, which makes it impossible to get a blood type A allele, ie, IA.

The possible outcomes for this child should've been either:

IO IO × IB IB

100% IB IO- blood type B

OR

IO IO × IB IO

50% IB IO- blood type B

50% IO IO- blood type O

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