If the Frequency of the Recessive Allele That Causes Phenylketonuria

question 38

Multiple Choice

If the frequency of the recessive allele that causes phenylketonuria (PKU) when homozygote is about 0.01 in European and American populations,what is the estimated heterozygote frequency in these populations? (Assume that people mate randomly with respect to PKU,and that the mutant allele does not have any effects on fitness.)

• A)about 0.0001
• B)about 0.01
• C)about 0.0198
• D)about 0.99
• E)It is impossible to make an estimate.

Understand and explain the significance of context and culture in defining abnormal behavior.

Describe major developments in the treatment of mental illness.

Recognize the criteria used to define deviance, distress, dysfunction, and danger in abnormal psychology.

Distinguish between deviant behavior and mental illness.