Y-linked traits in humans, Biology

Assignment Help:

Y-Linked traits in humans

Any gene that occurs exclusively on the Y chromosome is said to be holandric and it is not expressed in females. Such a Y-linked gene normally occurs in males and is transmitted only from father to son - holandric inheritance. Only a few Y-linked genes have been identified uptil now. One is the histocompatibility gene, known as the H-Y gene which is present on the short arm of the Y chromosome. Another important Y-linked gene is the TDF gene that codes for testis detprnining factor. This locus plays an important role in primary sex determination.

Another phenotype known to be associated with the Y chromosome is the condition hypertrichosis. The gene concerned with this condition leads to the developnlent of hairy pinna. This phenotype has been observed ill the inhabitants of Australia, Ceylon, Israel, and India.


Related Discussions:- Y-linked traits in humans

Oxidation of enzymes action, Oxidation Some enzymes which have the sulf...

Oxidation Some enzymes which have the sulfhydryl (-SH)  group in  the catalytic site are very sensitive to oxidation. Due  to oxidation of  the  -SH  group  by  aerial  oxygen

Explain the process of nucleotide catabolism, Question 1 Write a short not...

Question 1 Write a short note on the following Free Energy Cori cycle Fermentation Pentose phosphate pathway Transamination Allosteric Regulation Qu

Intramuscular route of injection, Intramuscular Route of Injection P...

Intramuscular Route of Injection Purpose When rapid action is required.  When drug would prove irritating to the subcutaneous tissue.  Site selected must be whe

Define feeding options for premature and lbw babies, Define Feeding Options...

Define Feeding Options for Premature and LBW Babies? Different workers have tried different method and since all methods are successful, it is dependent on the individual infan

Explain minerals requirement during thyphoid, Explain Minerals requirement ...

Explain Minerals requirement during thyphoid Minerals:   Loss of electrolytes and water is observed due to diarrhoea. Thus liberalizing on sodium intake  through salty soups,

Importance of nutritional needs for management of emergency, Define Importa...

Define Importance of nutritional requirements for management of emergencies? Knowledge of nutritional requirements for management of emergencies is therefore, important due to

Give the introduction to congenital heart disease, Give the introduction to...

Give the introduction to Congenital Heart Disease ? The past 3 or 4 decades have witnessed a revolution in pediatric cardiac sciences. A number of conditions previously conside

Define non-dietary treatment of burns, Define Non-Dietary Treatment of Burn...

Define Non-Dietary Treatment of Burns? While good nutritional care should be provided to the patient as soon as feasible it is equally imperative and at times critical to provi

Explain the protease inhibitors, Explain the Protease Inhibitors? These...

Explain the Protease Inhibitors? These are protein in nature and are abundant in raw cereals and legumes, especially soybeans. It would be interesting to note here that since t

Explain effect of irradiation on nutrients, Normal 0 false fa...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

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