Brian Williams lost his job as anchor of the NBC Nightly News for perpetuating one fiction, and for failing to perpetuate another. The first fiction you're probably familiar with. Last winter, Williams was caught for having repeated a tall tale about his experiences embedded with U.S. troops on a helicopter in the 2003 Iraq War.
If you are Rh-, then you are - - (one negative came from mom and one from dad). If both parents are Rh+ and have mixed genes (+ -), then it is possible that each of them will give the - gene to their child, making the child Rh- (- -). So, to answer your question. Two Rh+ parents can have an Rh- child.....
A mother who is Rh-negative may develop antibodies to an Rh-positive baby. If a small amount of the babyâs blood mixes with the mother's blood, which often happens in such situations, the mother's body may respond as if it were allergic to the baby.