If the father of a fetus is Rh positive and the mother is Rh negative, what are

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If the father of a fetus is Rh positive and the mother is Rh negative, what are the chances that there will be a mother-fetus incompatibility problem? Assume that the couple already had a first child with no medical problems.

Options:

A . 100%

B . At least 50%

C . Less than 50%

D . 0%

Answer: Option B
:
B
If the father is homozygous dominant (DD) the chances of the fetus being Rh positive and an incompatibility problem occurring will be 100%. If the father is heterozygous (Dd), the chances are 50%. There will be no problem if the fetus is Rh negative.

If The Father Of A Fetus Is Rh Positive And The Mother Is Rh...

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