Multiple Choice
The effects of PKU are epigenetic because
A) having two genes for PKU doubles the chances that phenylalanine will impact a child's brain development.
B) a child inherits two genes for PKU only when environmental conditions are favorable.
C) phenylalanine causes mental deficits even if a child inherits just one gene for PKU.
D) PKU is harmful only if a child ingests significant amounts of phenylalanine.
Correct Answer:
Verified
Correct Answer:
Verified
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