Genetic counselling is important when a marriage is planned between a?

A. Rh- woman and Rh man+
B. Rh- woman and Rh- man
C. Rh+ woman and Rh+ man
D. Rh+ woman and Rh- man

Correct Answer:

Option A – Rh- woman and Rh man+

Explanation

Most people — about 85% — are Rh positive. But if a woman who is Rh negative and a man who is Rh positive conceive a baby, there is the potential for a baby to have a health problem. The baby growing inside the Rh-negative mother may have Rh-positive blood, inherited from the father. Approximately half of the children born to an Rh-negative mother and Rh-positive father will be Rh positive