What is the inactivation of the x chromosome?what is a barr, Biology

Assignment Help:

What is the inactivation of the X chromosome? What is a Barr body?

The Inactivation of the X chromosome is a phenomenon that occurs in women. Ever since women have two X chromosomes only one of them remains active and functional mixed to the chromatin while the other remains condensed and inactive and in the same woman in some cell lineages the functional X chromosome is the one from the father and in other cell lineages the functional chromosome is the X from the mother characterizing a condition called as mosaicism (related to the X chromosome) and under the microscope the inactive X chromosome is seen as a granule generally in the periphery of the nucleus. This granule is called the Barr body.

 


Related Discussions:- What is the inactivation of the x chromosome?what is a barr

Objectives of counselling technique of diabetic patient, - Highlight the is...

- Highlight the issues related to diabetes mellitus. - Apply different types of counselling skills to counsel patient with Diabetes and their family members - Develop pre-req

Explain the cell division, What is the cell division during the first stage...

What is the cell division during the first stage of the embryonic development called? How is this stage characterized? The cell division in the first stage of the embryonic de

Vitamins, Vitamins Animals cannot sustain a healthy life if they are ...

Vitamins Animals cannot sustain a healthy life if they are fed on a diet having only carbohydrates, fats and proteins. They also require vitamins in small quantities in the r

Define absolute food safety and relative food safety, 'Absolute  food  safe...

'Absolute  food  safety'  is  the  assurance that damage  or  injury from use  of  a substance is impossible. Normal 0 false false false EN-US X-NON

Photosynthesis, why is a potted plant destarched before starting the experi...

why is a potted plant destarched before starting the experiment to investigate the factors necessary for photosynthesis

Define the carbohydrate utilization pattern test, Define the Carbohydrate U...

Define the Carbohydrate Utilization Pattern Test? Carbohydrates are composed of carbon, hydrogen and oxygen. These organic molecules are catabolized by large number of microorg

What is chemical disinfection, Q. What is Chemical disinfection? Chemic...

Q. What is Chemical disinfection? Chemicals are added to waste to kill or inactivate the pathogens it contains, this treatment usually results in disinfection rather than steri

Symptoms of angina pectoris, Q. Symptoms of Angina Pectoris? The pain o...

Q. Symptoms of Angina Pectoris? The pain of angina is usually over the center of the chest (below the sternum) but can be felt from epigastrum to the jaw and arms. It is brough

Why ups is so important to health practitioners, Give a short explanation o...

Give a short explanation of what UPS really means and why it is so important to health practitioners and consumers/patients.

Adaptation, Adaptation Closely related to irritability is the capacit...

Adaptation Closely related to irritability is the capacity of living things for adaptation. You might have noticed that whenever you go outside in the bright sun after having

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