By what age does one internalize and identify with one's gender?

A) 1 year
B) 2 years
C) 5 years
D) 7 years

Internalize

The process of incorporating the values, attitudes, or norms of others into one's own self-concept.

Identify

means to recognize or establish as being a particular person or thing; to determine the identity of someone or something.

Gender

A social construct related to behavioral, cultural, or psychological traits typically associated with one's sex.