A Single,simple,recessively Inherited Mutation Inactivates the Enzyme That Converts Phenylalanine

question 26

Multiple Choice

A single,simple,recessively inherited mutation inactivates the enzyme that converts phenylalanine to tyrosine.Homozygous recessive individuals possess an excessive amount of phenylalanine and a deficiency of tyrosine.Additionally,these individuals may be mentally deficient,have abnormally light hair and abnormally light skin color.This disorder is an example of

• A)incomplete penetrance.
• B)incomplete dominance.
• C)polygenic inheritance.
• D)pleiotropy.

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Definitions:

Classification

The action or process of categorizing something according to shared qualities or characteristics.

Mutually Exclusive

A condition in which two or more events cannot occur at the same time.

Jointly Exhaustive

This term refers to a set of possibilities or conditions that completely covers all potential outcomes or scenarios, leaving no option unaccounted for.

Abstract

Existing in thought or as an idea but not having a physical or concrete existence.