Lecture21: Gender Determination

Question 1

When is the embryo gender determined?

Answer 1

At the time of fertilization

Question 2

When do the gonads acquire the sexual characteristics?

Answer 2

Seventh week of development

Question 3

What is the testis-determining protein?

Answer 3

SRY protein

Question 4

What is the embryo gender if SRY protein is present?

Answer 4

Male

Question 5

What is the embryo gender if SRY isn’t present?

Answer 5

Female

Question 6

What happens if no gonads are there, what’s the default gender?

Answer 6

Female

Question 7

The PCGS migrate along the hindgut to…?

Answer 7

The genital ridges in the 6th week

Question 8

The PGCs have an inductive influence on the development of..?

Answer 8

The gonad into the ovary or the testis

Question 9

During the 8th week, test is produced by what at the testis

Answer 9

Sustentacular cells of corti and primitive germ cells

Question 10

What is the type of ovarian cords?

Answer 10

Cortical

Question 11

What is Gondal Agenesis?

Answer 11

PGCs don’t form

Question 12

what is Gondal Dysgenesis?

Answer 12

Turner’s syndrome