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

What do you know zoological parks, Q. What do you know Zoological Parks? ...

Q. What do you know Zoological Parks? Zoological park has two faced aspects, the relationship between man and beast. There is awe and there is slaughter. There is worship and t

What is chroma in soil, What is Chroma in soil Chroma is the relative p...

What is Chroma in soil Chroma is the relative purity or strength of the spectral colour and its numerical value extend from (/0) for neutral colours to (/8) for the strongest e

Argon, will argon tend to form bonds with other elements?

will argon tend to form bonds with other elements?

How many ml should the nurse administer, The doctor writes an order for 125...

The doctor writes an order for 125 mg of a medication. The label on the vial states "50 mg per ml". How many ml should the nurse administer?

Major renal processes that combined produce urine, Q. What are the three ma...

Q. What are the three major renal processes that combined produce urine? Urine is made by the occurrence of three processes in the nephron that are tubular resorption, glomerul

Dentition and feeding, briefly explain filter feeding in holozoicanimals

briefly explain filter feeding in holozoicanimals

How is cancer usually treated, Q. How is cancer usually treated? If the...

Q. How is cancer usually treated? If the cancer is in its initial stage cure is often done by surgical removal of the neoplastic tissue. The Cancers already disseminated are of

Explain tricuspid regurgitation, Q. Explain Tricuspid regurgitation? Th...

Q. Explain Tricuspid regurgitation? Though tricuspid regurgitation is a common valvular abnormality on echocardiography rarely is it due to primary organic disease. Secondar

Define classification of weight imbalance, Define Classification of Weight ...

Define Classification of Weight Imbalance? Obesity is defined as a condition with accumulation of excess body fat. Do you think that a measure of how much fat a person has in i

Describe the meaning of regulating evolution, Based on your reading of the ...

Based on your reading of the article entitled "Regulating Evolution", which of the following is a false statement? A. Individuals who are resistant to the malaria-causing para

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages