In Old World Monkeys, the Swelling and Changes in the Color

Multiple Choice

In Old World monkeys, the swelling and changes in the color of the skin surrounding the female's genital area

A) is a sign of aggression
B) indicates a diseased state
C) is an indication of estrus
D) serves as a visual cue of a female's readiness to become aggressive
E) is also found in New World monkeys.