Lecture21: Gender Determination Flashcards
When is the embryo gender determined?
At the time of fertilization
When do the gonads acquire the sexual characteristics?
Seventh week of development
What is the testis-determining protein?
SRY protein
What is the embryo gender if SRY protein is present?
Male
What is the embryo gender if SRY isn’t present?
Female
What happens if no gonads are there, what’s the default gender?
Female
The PCGS migrate along the hindgut to…?
The genital ridges in the 6th week
The PGCs have an inductive influence on the development of..?
The gonad into the ovary or the testis
During the 8th week, test is produced by what at the testis
Sustentacular cells of corti and primitive germ cells
What is the type of ovarian cords?
Cortical
What is Gondal Agenesis?
PGCs don’t form
what is Gondal Dysgenesis?
Turner’s syndrome