When Anita was 10 years old, she was the tallest girl in her fourth-grade class. She also began to menstruate when she was 10 years old. Given what we know about the effects of estradiol, we can expect that at age 17, Anita will be

Question

Quizplus · Accepted Answer

The fact that Anita began menstruating at 10 indicates that she began puberty early, which is likely due to higher levels of estradiol. However, height growth is largely determined by growth hormone and not affected by estradiol. Therefore, there is no reason to expect that Anita would be significantly taller at 17 than she was at 10.

When Anita Was 10 Years Old, She Was the Tallest