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A woman gives birth to a son who has type A blood. She has type AB blood. Which of the following can be concluded from this about her parents' blood types? One of her parents had at least one A allele and the other at least one B allele. One of her parents had type AB blood. One of her parents had type B blood and the other type A blood. One of her parents had two A alleles.
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A woman gives birth to a son who has type A blood. She has type AB blood. Which of the following can...
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