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

Lactation, LACTATION - Production of milk in the female's breasts af...

LACTATION - Production of milk in the female's breasts after delivery is lactation. Prolactin is responsible to synthesize milk in breast. Oxytocin is responsibleto gi

Explain kidney transplant, Consider the following four statements (a - d) r...

Consider the following four statements (a - d) regarding kidney transplant and select the two correct ones out of these. 1. Even if a kidney transplant is proper the recipient m

Surgical management, Surgical Management: Surgical management consists...

Surgical Management: Surgical management consists of  primary repair which involves end to end anastomosis with excision of  the fistula and delayed and staged surgery. When t

Other complications of prosthetic valves, Other Complications of Prosthetic...

Other Complications of Prosthetic Valves :  One of the dreaded complications of mitral valve replacement is ventricular rupture. It is difficult to manage and so it is better avoi

Explain the properties of good prebiotic, Explain the Properties of Good Pr...

Explain the Properties of Good Prebiotic? Thus, to summarize, we can say that a good prebiotic should have the following properties: Be active at a nutritionally feasibl

Explain gene expression - nutrient gene interactions, Explain Gene Expressi...

Explain Gene Expression - Nutrient Gene Interactions? The last two decades have witnessed tremendous development in our understanding of the cellular processes at the molecular

When fecundation to be effective, Q. How long after ovulation must fecundat...

Q. How long after ovulation must fecundation occur to be effective? If fecundation doesn't occur around 24 hours after ovulation the released ovum often dies.

Main prophylactic measures against schistosomiasis, Q. What are the main pr...

Q. What are the main prophylactic measures against schistosomiasis? The major measures to prevent schistosomiasis are information for infected individuals to look for treatment

Reproduction, What is the difference between asexual and sexual reproductio...

What is the difference between asexual and sexual reproduction

01.03 New Technology , What is the best microscope to get a detailed view o...

What is the best microscope to get a detailed view of the parts inside of a preserved plant cell? Transmission electron microscope Scanning electron microscope Compound li

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