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ALD/AMN Warriors

Monday, February 28, 2011

How can a boy have ALD if his mother/aunt/grandmother is not a carrier?

A boy inherits the mutated ALD gene from his mother. However, it is possible for a boy to have ALD if his mother does not carry the mutated gene. This is because s an estimated 5%-7% of cases are de novo mutations, meaning that the gene mutation arose spontaneously in the child when it was not present in the mother.

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