Harrison is 15 years old and has gained both height and weight, some body hair, and a deeper voice during the past year. These changes are examples of:
A) epigenetic characteristics.
B) primary sex characteristics.
C) menarche.
D) secondary sex characteristics.

Question

Quizplus · Accepted Answer

The changes that Harrison has experienced, such as increased height and weight, body hair, and a deeper voice, are examples of secondary sex characteristics, which are physical features that distinguish males from females but are not directly related to reproduction.

Harrison Is 15 Years Old and Has Gained Both Height