Which of the Following Statements Is FALSE Regarding Phenylketonuria (PKU)

question 45

Multiple Choice

Which of the following statements is FALSE regarding phenylketonuria (PKU) ?

• A) It is caused by the interaction of a number of different genes.
• B) It arises only in certain intrauterine environments, indicating the importance of gene-environment interactions in determining an individual's phenotype.
• C) It can be controlled through appropriate diet, indicating that what is genetic is not necessarily fixed and unchangeable.
• D) Its heritabilitity is currently quite low.

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