# biology

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

isnt this C?

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1. Since Jiskha doesn't have a biology expert at this time, please try posting your question at this site.

http://www.biology-online.org/biology-forum/

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2. It is indeed C. Both would have toe be IBi!

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