Sex differentiation mechanism, Biology

Assignment Help:

SEX DIFFERENTIATION MECHANISM -

Primitive gonads are identical in both sexes upto 6 weeks of gestation pressure.
This gonad is known as bipotential primordial gonad. It is differentiated into cortex and medulla.
Formation & devlopment of gonad is gonadogenesis.
In male devlopement of testes is controlled by Y-chromosome.
Testicular differentiation begins in the 7th week of gestation.
Differentiation of ovaries occur later in female in comparision to male or testes. It begins int he 11th or 12rh week of gestation under control of XX chromosomes.
Testes descend down in scrotum in 7th - 8th month. Ext. genitilia appear in male by the 5th month.

Related Discussions:- Sex differentiation mechanism

Explain acute renal failure, Explain Acute Renal failure Acute Renal f...

Explain Acute Renal failure Acute Renal failure: Renal failure associated with burns or other trauma or with sharp infection or obstruction of the urinary tract.

Can you explain bauhin binomial system, Q. Can you explain Bauhin? We g...

Q. Can you explain Bauhin? We got the first reference of binary use of species name in Pinax (1623), a publication of a Swiss physician and botanist Casper Bauhin (1560-1624).

Define about the classification of polyphenols, Define about the Classifica...

Define about the Classification of polyphenols? The various classes are: a) Phenolic acids and derivatives b) Flavonoids such as Flavonols and Flavones, Isoflavones and

Botany., the evolution of gamatophyte in pteridophyte

the evolution of gamatophyte in pteridophyte

Hiatus hernia, Hiatus Hernia: In this type of hernia, cardiac end of ...

Hiatus Hernia: In this type of hernia, cardiac end of the stomach passes through an abnormally wide oesophageal opening in the diaphragm (see Fig. 2.6). Clinical manifestat

Biology of Plants Assignment, I have a six page assignment, which involves ...

I have a six page assignment, which involves barely any writing, just labeling some plant structures etc. Can someone do this?

Female reproductive system - ovaries, OVARIES - 2 in number (didelph...

OVARIES - 2 in number (didelphic). White / pinkish. Almond like. 3 cm long, 2 cm wide, 1 cm thick. Lie in the lower part of abdomen attached to dorsal wall by mesovarium.

Major information storage molecule, Following statement true for prokaryoti...

Following statement true for prokaryotic or eukaryotic? They use deoxyribonucleic acid as their major information storage molecule.

Explain the term - seashore rhythm test, Explain the term - Seashore Rhythm...

Explain the term - Seashore Rhythm Test This test consists of 30 pairs of rhythmic patterns. The task is to judge whether the two members of each pair are the same or different

Adhesion of cells to extracellular cell matrix, Adhesion of Cells to Extrac...

Adhesion of Cells to Extracellular Cell Matrix You know that the cells in order to move or change shape, adhere to each other or to the substratum in their environment. Usual

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages