The Probability of Producing a Normal Child by Two Parents

question 50

Multiple Choice

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is ____.

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

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Definitions:

Medulla

Refers to the medulla oblongata, the lower portion of the brainstem, which controls vital body functions such as breathing and heart rate.

Cerebellum

A region of the brain that plays an important role in motor control, and may also be involved in some cognitive functions such as attention and language.

Hypothalamus

A region of the brain below the thalamus, responsible for coordinating both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Constantly Wants

The continuous desire or need for something, often reflecting a deep-seated psychological or emotional gap.