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A 34-year-old member asked:

Is phenylketonuria (pku) is an inherited disease caused by a recessive gene? parents would be carriers?

1 doctor answer4 doctors weighed in
Dr. Robert WorthingtonKirsch
Phlebology 35 years experience
Correct: For a person to inherit pku they must receive a defective pah gene from each parent. Both parents are carriers. The chance of further children having pku is 1 in 4, and 2 out of 3 children who do not have pku will be carriers of the gene.

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Last updated Nov 8, 2016
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