If two parents who's blood types are both B produce a child that has blood type O, what can you say about the parent's genotypes?

A. one is ii

B. one is IBi

C. both are IBi

D. nothing, this is impossible

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5 October, 02:24

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Charlie Casey · Answer 1

C. both are IBi this is the only way that an O blood group is possible (genotype ii)

If two parents who's blood types are both B produce a child that has blood type O, what can you say about the parent's genotypes?A. one is iiB. one is IBiC. both are IBiD. nothing, this is impossible