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:

Number of Treatments (k)

In statistical experiments, refers to the different categories or treatments under consideration.

Number of Observations (n)

The total count of data points or elements in a statistical sample or experimental study.

F-distribution

A probability distribution used mainly in analysis of variance (ANOVA), especially for comparing group variances.

Population Means

Refers to the average values of a variable across the entire population.