Questions: Which of the following is an example of a secondary sex characteristic? a. Growth of the penis b. Onset of menarche c. Production of mature sperm d. Maturation of breasts

Which of the following is an example of a secondary sex characteristic? a. Growth of the penis b. Onset of menarche c. Production of mature sperm d. Maturation of breasts
Transcript text: Which of the following is an example of a secondary sex characteristic? a. Growth of the penis b. Onset of menarche c. Production of mature sperm d. Maturation of breasts
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Solution

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The answer is d: Maturation of breasts.

Explanation for each option:

a. Growth of the penis - This is a primary sex characteristic, as it involves the development of the reproductive organs themselves.

b. Onset of menarche - This is related to the primary sex characteristics, as it marks the beginning of menstruation and the ability to reproduce.

c. Production of mature sperm - This is a primary sex characteristic, as it involves the production of gametes necessary for reproduction.

d. Maturation of breasts - This is a secondary sex characteristic, as it involves changes in the body that occur during puberty but are not directly involved in reproduction.

Summary: Secondary sex characteristics are features that appear during puberty but are not directly involved in reproduction. The maturation of breasts is an example of such a characteristic.

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