In the Absence of Sufficient Quantities of 5-Alpha-Reductase

question 89

Multiple Choice

 In the absence of sufficient quantities of 5-alpha-reductase,

• A) 5-alpha-dihydrotestosterone is not converted into testosterone, and external genitalia are not masculinized in the fetus.
• B) testosterone is not converted into 5-alpha-dihydrotestosterone, and external genitalia are not masculinized in the fetus.
• C) 5-alpha-dihydrotestosterone is not converted into testosterone, and internal organs are not masculinized in the fetus.
• D) testosterone is not converted into 5-alpha-dihydrotestosterone, and internal organs are not masculinized in the fetus.

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Definitions:

Honest Signaling

A concept where organisms display traits or behaviors that truthfully represent their fitness or quality to potential mates or rivals.

Sensory Drive

The concept that the environment can shape sensory systems and communication signals, influencing the evolution of perception and behavior in organisms.

Sensory Exploitation

A theory explaining certain traits or behaviors evolve because they exploit the preexisting sensory biases of another organism.

Pseudopenis

A clitoris that is significantly enlarged to resemble a penis, found in certain species such as the spotted hyena.