In the Section "Investigating Life: Does Natural Selection Maintain Cystic

question 56

Multiple Choice

In the section "Investigating Life: Does Natural Selection Maintain Cystic Fibrosis?," if two carriers of the defective CFTR gene have a child,what is the probability that the child will have cystic fibrosis?

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

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Definitions:

Purple

A color that is traditionally associated with royalty, nobility, luxury, power, and ambition.

Behavior Attention

The focus on and management of an individual's actions and responses to various situations or stimuli.

Shy

Refers to being reserved or having a tendency to feel nervous or timid in the company of others.

School-Age Children

Children between the ages of about 5 and 12, during which they are typically enrolled in elementary or primary education.