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Cross: man with type A blood and woman with type B blood

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A man with type A blood marries a woman with type B blood. Their first child has type O blood.

What proportion of his sperm have the IA allele? ______________

What proportion of her eggs have the IB allele? ______________

What is the chance that their second child will also have type O blood?

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Cross between man with type A blood and woman with type B blood: Proportion of perms and eggs with A and B alleles and probability that the second child will have type O blood are determined.

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A man with type A blood marries a woman with type B blood. Their first child has type O blood.
What proportion of his sperm have the IA allele? __50%____________
What proportion of her eggs have the IB ...

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