can an RH negative mother give birth to a B positive child?!
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Rh factor and blood type are independent phenotypes. For example, if the father was Rh-positive with a positive-positive genotype, the child would be Rh-positive. Figure out the genotype blood types yourself.
Other Answers:
Yes, if the father is Rh positive.
it is the negs and pos. that clash. with a first pregnancy there is usually no problem, but the mother will need to have a shot after each birth to prevent problems in future pregnancies. When the mother is neg she produces antibodies that attack the fetus in second and subsequent pregnancies. But to answer your question yes it happens all the time
Source(s):
RH negative mother of 4
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