Gametogenesis III (2nd lecture)

Question 1

What is spermatogenesis?

Answer 1

Male gametogenesis

Question 2

What is the default sex?

Answer 2

Female

Question 3

How does development occur is there is no Sry?

Answer 3

Female

Question 4

What is the testis determining factor?

Answer 4

Sry

Question 5

What is Sry?

Answer 5

A TF that activates Sox9

Question 6

What is responsible for upregulating anti-Mullerian hormone (AMH)?

Answer 6

Sox9 and steroidogenic factor 1

Question 7

What does Sry specifically induce?

Answer 7

Sex cords that form seminiferous tubules

Question 8

What are sex cords?

Answer 8

embryonic structures that develop within the gonads and play a crucial role in the development of reproductive tissues

Question 9

What do sertoli cells secrete?

Answer 9

Anti-mullerian hormone

Question 10

Why do Sertoli cells secrete AMH?

Answer 10

To prevent female development

Question 11

What do leydig cells do?

Answer 11

Secrete testosterone

Question 12

Why do leydig cells secrete testosterone?

Answer 12

To promote development of the male reproductive system

Question 13

What does testosterone promote development of?

Answer 13

Mesonephric duct