Which Hormone Is the Primary Determinant of Whether a Baby

question 22

Multiple Choice

Which hormone is the primary determinant of whether a baby will develop male or female external genitalia?

• A) progesterone
• B) human chorionic gonadotropin
• C) testosterone
• D) estrogen

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Definitions:

Tadpoles

The aquatic larval stage of amphibians, especially frogs and toads, characterized by gills, a tail, and a later transition to the adult form.

Tunic

In a biological context, a fibrous or cellular covering layer, such as that surrounding certain seeds or the body of sea squirts and other invertebrates.

Adult Tunicates

Marine invertebrates that are members of the subphylum Tunicata; they are sessile as adults and have a sac-like body covered with a tunic.

Filter Feeders

Organisms that feed by straining suspended matter and food particles from water, typically using a specialized filtering structure.