Menarche typically occurs around _______ years of age; its timing reflects __________.
A)10 or 11; mostly the effects of nature
B)10 or 11; the effects of both nature and nurture
C)12 or 13; mostly the effects of nature
D)12 or 13; the effects of both nature and nurture

Question

Quizplus · Accepted Answer

Menarche, the first menstrual cycle, typically occurs around 12 or 13 years of age. Its timing is influenced by both genetic factors (nature) and environmental factors (nurture), such as nutrition and overall health.

Menarche Typically Occurs Around _______ Years of Age; Its Timing