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A member asked:
If grandfather rh- grandmother rh+ ; mother + father both rh+; what is the chance of grandchildren being rh-?
A doctor has provided 1 answer
Can't answer: This isn't the best venue for homework help, and since you have not told about the other set of grandparents, and since we have no way of knowing whether the rh-positive grandparent is homozygous or heterozygous, the question isn't answerable.
Answered 12/9/2013
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