Based on the Information Below, Answer the Following Question(s), Assuming

question 49

Multiple Choice

Based on the information below, answer the following question(s) , assuming complete dominance.
"In humans, a widow's peak is a dominant trait, and a straight hairline is a recessive trait."
-Cystic fibrosis is a genetic disorder that results from the inheritance of two recessive alleles. What is the chance that a child will inherit the disorder if one parent is heterozygous for this gene and one parent has cystic fibrosis?

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

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Definitions:

Mortality

The incidence of death within a particular population over a specified period of time.

Pretest-posttest Design

A research methodology that measures participants before and after an intervention, allowing for comparisons.

Participant Mortality

In research, the loss of participants from a study before it is completed due to withdrawal, loss to follow-up, or death.

Attrition

The loss of subjects who decide to leave an experiment. See mortality.