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 the jejuno ileal bypass and jaw wiring, Explain the Jejuno ileal By...

Explain the Jejuno ileal Bypass and Jaw Wiring? Jejuno-ileal Bypass: Absorptive surface of the small intestines can also be reduced through surgery called the jejuno-ileal by p

Explain the procedure of taking blood pressure, Explain the Procedure of Ta...

Explain the Procedure of Taking Blood Pressure - Explain the procedure to the patient. In case patient is coming for first time to check the blood pressure explain to the patie

What are main successful vaccines, Main successful vaccines are live attenu...

Main successful vaccines are live attenuated and heat killed vaccines.

Blood tests, importance of blood tests

importance of blood tests

Medical and nutritional management for pectic ulcer, Q. Medical and Nutriti...

Q. Medical and Nutritional Management for pectic ulcer? To provide physiological rest and support tissue healing, treatment should be based on providing rest to the affected ar

Project, occurrence of e.coli 0157:H7 on vegetables

occurrence of e.coli 0157:H7 on vegetables

Explain about the term- therapeutic, Explain about the term- Therapeutic ...

Explain about the term- Therapeutic Therapeutic approaches that scientists are pursuing include transplanting cells to replace those which are damaged or using growth factors

Skin., what is the difference between fair skin and dark skin?

what is the difference between fair skin and dark skin?

Gastrulation process - formation of primitive streak, Gastrulation Process ...

Gastrulation Process - Formation of Primitive Streak Gastrulation in all amniotes involving eutherian mammals is related to a characteristic structure termed as the primitive

What are the physical signs of aortic stenosis, Q. What are the Physical Si...

Q. What are the Physical Signs of aortic stenosis? Typically the carotid pulse in severe aortic stenosis is delayed (pulsus tardus). It is also decreased in amplitude (pulses p

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages