A Dominant Trait,Huntington Disease,causes Severe Neural/brain Damage at Approximately Age

question 105

Multiple Choice

A dominant trait,Huntington disease,causes severe neural/brain damage at approximately age 40.The gene that causes this disease is not located on the sex chromosomes.A female whose mother has Huntington disease marries a male whose parents are normal.It is not known if the female has the disease.Assuming the female's mother was a heterozygote,and her father was normal,what is the probability that their firstborn will inherit the gene that causes Huntington disease?

• A) 25%
• B) 50%
• C) 75%
• D) 100%
• E) 0%

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Definitions:

Intentionally Vague

A strategic ambiguity in communication used to avoid revealing explicit details or to keep options open.

Rorschach Inkblots

A psychological test using symmetrical inkblot patterns to analyze a person's perception and emotional functioning.

Interpretations

The process of assigning meaning to information that has been received, often influencing perception and decision-making.

Psychologist's Expectations

The preconceived notions or hypotheses that psychologists might have about the outcome of their studies or the behavior of their subjects.