Hartnup+disease+(open)

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Hartnup disease is a recessive disorder, meaning that an individual must have two copies of the abnormal gene to be affected. If two individuals who each have one copy of the abnormal gene have a child, what is the probability that the child will be affected with Hartnup disease?

E. 100%

 * bold=**correct answer

Question Identifier: GLAI 28 (revised JS 4 and TM 141)

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