Generally, the earliest age at which puberty begins is _____ years in girls, _____ in boys
a. 13; 13
b. 11; 11
c. 10; 12
d. 12; 10
ANS: C
Puberty signals the beginning of the development of secondary sex characteristics. This begins earlier in girls than in boys. Usually a 2-year difference occurs in the age of onset. Girls and boys do not usually begin puberty at the same age. Girls generally begin puberty 2 years earlier than boys.
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