A Nurse Is Educating a Client About Genetic Screening

question 9

Multiple Choice

A nurse is educating a client about genetic screening.The client asks why red-green color blindness,an X-linked recessive disorder noted in some of her family members,is expressed more frequently in males than females.How should the nurse respond?

• A) "Females have a decreased penetrance rate for this gene mutation and are therefore less likely to express the trait."
• B) "Females have two X chromosomes and one is always inactive.This inactivity decreases the effect of the gene."
• C) "The incidence of X-linked recessive disorders is higher in males because they do not have a second X chromosome to balance expression of the gene."
• D) "Males have only one X chromosome, which allows the X-linked recessive disorder to be transmitted from father to son."

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Definitions:

Adult Personality

The patterns of thought, feeling, and behavior that are characteristic of an individual and that are typically fully developed or matured in adulthood.

Early Childhood

A developmental period ranging from birth to eight years old, focusing on the growth and learning of young children.

Stability And Change

A concept in psychology that recognizes the balance between the consistency of an individual's personality traits over time (stability) and their potential to change and evolve (change).

Genetic Factors

Aspects of an individual's biological inheritance that influence their development and characteristics.