Imagine Baby M received both an X and a Y chromosome at the time of conception.Near the 7ᵗʰ or 8ᵗʰ week of the pregnancy, Baby M will:
A)begin to secrete estrogen and develop a male reproductive system
B)begin to secrete testosterone and develop a male reproductive system
C)begin to secrete estrogen and develop a female reproductive system
D)not secrete any hormones and develop a female reproductive system

Question

Quizplus · Accepted Answer

If Baby M received both an X and a Y chromosome at the time of conception, they will develop a male reproductive system. At around the 7th or 8th week of pregnancy, the testes will begin to secrete testosterone, leading to the development of male genitalia and other masculine traits. Therefore, the best choice is B - begin to secrete testosterone and develop a male reproductive system.

Imagine Baby M Received Both an X and a Y