OpenStudy (ashy98):

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

2 years ago
OpenStudy (anonymous):

First of all, her genotype is not BB because she gave birth to a son with type O blood which requires two 'O' alleles (one from each parent). This indicates that her blood genotype is BO (phenotype B). Therefore she must have inherited a B allele from one parent and an O allele from the other. So, I believe the answer is C. (:

2 years ago
OpenStudy (ashy98):

thank you soo much!!!(:

2 years ago
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