The correct answer is C. Man.
Rh factor is a protein found on the surface of red blood cells. It is inherited from parents and can be either positive or negative. About 85% of people have the Rh factor, while 15% do not.
The Rh factor is important because it can cause problems during pregnancy and childbirth. If a woman who is Rh-negative is pregnant with a baby who is Rh-positive, the mother’s body may produce antibodies that attack the baby’s red blood cells. This can lead to a condition called hemolytic disease of the newborn, which can be serious or even fatal.
There are a number of tests that can be done to determine a person’s Rh factor. These tests are usually done as part of
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