OpenStudy (anonymous):

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

5 years ago
OpenStudy (anonymous):

One of her parents had at least one A allele and the other at least one B allele.

5 years ago
OpenStudy (anonymous):

One of her parents had at least one A allele and the other at least one B allele.

5 years ago
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