Development of primary and secondary sex characteristics is triggered by increased production of the hormones:
A)adrenaline and progesterone.
B)thyroxin and oxytocin.
C)estrogen and testosterone.
D)oxytocin and progesterone.

Question

Quizplus · Accepted Answer

The development of primary and secondary sex characteristics is primarily triggered by increased production of the hormones estrogen and testosterone, which are produced in the ovaries and testes, respectively. Adrenaline, progesterone, thyroxin, and oxytocin are important hormones in their own right, but are not directly involved in the development of sex characteristics.

Development of Primary and Secondary Sex Characteristics Is Triggered by Increased