Ginger and Roger Are Fraternal Twins Arguing About Who Is

question 134

Multiple Choice

Ginger and Roger are fraternal twins arguing about who is going to begin puberty first and who is going to reach their adult height first. If you were chosen to referee their argument, what would you tell them?

• A) Girls begin puberty and reach their adult height earlier than boys.
• B) Boys begin puberty and reach their adult height earlier than girls.
• C) Girls and boys begin puberty and reach their adult height at the same ages.
• D) Girls begin puberty before boys, but reach their adult height after boys.

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Definitions:

Ovarian Follicles

Structures in the ovaries that contain a developing egg and produce hormones that regulate the menstrual cycle and fertility.

Fertilization

The union of a sperm cell with an egg cell to form a zygote, initiating the development of a new organism.

Vulva

The external part of the female genitalia, which includes the labia, clitoris, and the openings to the vagina and urethra.

Ovaries

Female reproductive organs that produce eggs and hormones, such as estrogen and progesterone.