Sex differentiation mechanism, Biology

Assignment Help:

SEX DIFFERENTIATION MECHANISM -

  1. Primitive gonads are identical in both sexes upto 6 weeks of gestation pressure.
  2. This gonad is known as bipotential primordial gonad. It is differentiated into cortex and medulla.
  3. Formation & devlopment of gonad is gonadogenesis.
  4. In male devlopement of testes is controlled by Y-chromosome.
  5. Testicular differentiation begins in the 7th week of gestation.
  6. 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.
  7. Testes descend down in scrotum in 7th - 8th month. Ext. genitilia appear in male by the 5th month.

Related Discussions:- Sex differentiation mechanism

What is normal bone physiology, What is normal bone physiology An insig...

What is normal bone physiology An insight into the normal bone physiology and its adaptation by modeling and remodelling process to functional stresses is also of importance. I

How does sexual reproduction occur in bacteria, How does sexual reproductio...

How does sexual reproduction occur in bacteria? How different are the modalities of bacterial sexual reproduction? Sexual reproduction happens when bacteria incorporate genetic

Define important points while working with autoclave, Define Important Poin...

Define Important Points While Working With Autoclave? Note: Following points should be kept in mind while working with autoclave. 1. Autoclave should not be packed tightly o

Define water as a temperature regulator, Define Water as a temperature regu...

Define Water as a temperature regulator? Water plays an important role in the distribution of heat throughout the body and the regulation of body temperature. Heat is generate

Explain objective anti-arrhythmic pacemaker defibrillators, Explain Objecti...

Explain Objective Anti-arrhythmic pacemaker defibrillators? After reading this unit, you should be able to: 1 describes the classification of ant arrhythmic drugs; 2 understand

What do you man by extracellular digestion, Q. Concerning extracellular dig...

Q. Concerning extracellular digestion what is meant by chemical digestion? Chemical digestion is the series of enzymatic reactions to break macromolecules into smaller ones.

Explain th eobjective of intensive care, Explain th eobjective of intensive...

Explain th eobjective of intensive care? After reading this unit, you should be able to: • know how to organize an intensive care unit; • practice effective cardio pulmonary

Presenting features of exstrophy of the bladder, Presenting Features ...

Presenting Features Anterior abdominal wall and anterior bladder wall is deficient and on the surface everted posterior wall of bladder with two ureteric orifices is seen.

What is the formula for photosynthesis, What is the formula for photosynthe...

What is the formula for photosynthesis? H 2 O + 6CO 2 + Light Energy ----> C 6 H 12 O6+ 6O 2 6 molecules of water + 6 molecules of carbon dioxide --->1 molecule of glucose

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd