What Is/are the Possible Genotypes of the Individual Marked with a

question 33

Multiple Choice

What is/are the possible genotypes of the individual marked with a * on this pedigree if the mode of inheritance is autosomal recessive?

• A) AA
• B) AA or Aa
• C) aa
• D) cannot be determined
• E) Aa

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Definitions:

Midbrain

A central part of the brainstem that plays an important role in vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.

Medulla

The base of the brainstem; it controls vital life-sustaining functions like heartbeat, breathing, blood pressure, and digestion.

Corpus Callosum

A wide band of nerve fibers connecting the two hemispheres of the brain, facilitating communication between them.

Hypothalamus

A section of the brain responsible for hormone production and regulation of essential bodily functions, including temperature, mood, and hunger.