What Determines Whether a Fetus Develops Male-Looking or Female-Looking External

question 132

Multiple Choice

What determines whether a fetus develops male-looking or female-looking external genitals?​

• A)Genes alone, with no influence from any hormone
• B)​The amount of the hormone estradiol
• C)​The amount of the hormone testosterone
• D)​The amounts of estradiol and testosterone, to an equal extent

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Definitions:

Inhalation

The act of breathing in, whereby air (including oxygen) is drawn into the lungs, facilitating gas exchange with the bloodstream.

Exhalation

The process of breathing out, where carbon dioxide is expelled from the lungs.

Carbonic Anhydrase

An enzyme that catalyzes the conversion of carbon dioxide and water into carbonic acid, playing a critical role in the transport of carbon dioxide in the blood.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.04% by volume) and is absorbed by plants in photosynthesis.