A member asked:

How can incest increase the likelihood of birth defects?

A doctor has provided 1 answer

Gene errors: We all carry recessive genes to a few conditions that are not a problem unless they come together with another carrier.The closer you are related, the more genes you have in common. Two carriers, can conceive a baby that has both bad recessive genes, with any pregnancy.Whether this produces a fatal metabolic disorder or some lesser problem, the results are the same. The genes define you.

Answered 4/20/2014

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