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.....
What is Rh positive and Rh negative mean? Rh factor is a protein that is found in the blood of about 85% of the population. Those who have the factor are Rh positive, while those who don't, are Rh negative. A person who is Rh negative can safely donate blood to persons with or without the protein. A person who is Rh positive can only donate to those who are Rh positive.