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If two parents have the blood types AO and BO, what is the chance a child of theirs will have O type blood?

a) no chance, their children will be AO or BO since O is recessive

b) a one in four chance. there is a chance that both pass on their O gene

c)no chance. all of their children will be AB blood type

d) a 2 out of 4 chance. since there are one A, one B, and two O genes

User Ethaan
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1 Answer

2 votes
I will say answer d sorry if it’s wrong
User Marek Szkudelski
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