Which of the Following Situations Would Place a Child at Risk

question 2

Multiple Choice

Which of the following situations would place a child at risk to inherit PKU from his or her parents?

• A) The father is heterozygous (normal and mutant PAH alleles); the mother is homozygous normal.
• B) The mother is heterozygous (normal and mutant PAH alleles); the father is homozygous normal.
• C) Both parents are heterozygous (normal and mutant PAH alleles) for the PAH gene.
• D) The father is homozygous for the mutant PAH alleles; the mother is homozygous normal.
• E) The mother is homozygous for the mutant PAH alleles; the father is homozygous normal.

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Definitions:

Confidence Interval

A statistical range, with a given probability, that is likely to contain the true value of an unknown parameter.

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The change in price of a security over time, expressed as a percentage.

Geometric Average

A method of calculating the average rate of return that considers the compounding effect of returns over time.