Dictionary » A » Albinism

Albinism

The congenital absence of pigmentation in the eyes and skin and hair.A condition related to the production of melanin in the body, which controls colouring in areas such as the skin, eyes and hair. A lack of melanin usually results in characteristics such as pale skin, white hair and red eyes, a phenotype which is inherited as a result of a genotype that possesses an inborn error of metabolism where tyrosine (an amino acid) cannot be broken down within a biochemical pathway involved with melanin.


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Re: Albinism

http://www.allexperts.com/user.cgi?m=6&catID=2406&expID=104314&qID=5003332 http://www.allexperts.com/user.cgi?m=6&catID=664&expID=48818&qID=4961172 http://en.wikipedia.org/wiki/Stem_cell Can Stem Cell Research help in this regard ? Thanks & Regards, Prashant S Akerkar

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by prashantakerkar
Tue Apr 03, 2012 5:46 am
 
Forum: Human Biology
Topic: Albinism
Replies: 2
Views: 2212

Re: Albinism

Albinism is not a disorder. It is just infrequent. Albino people enjoy good health, are fully competent and have the same potential for happiness as others. They have poorer natural protection against harmful sun radiation, ...

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by marquitosgm
Fri Mar 30, 2012 7:16 am
 
Forum: Human Biology
Topic: Albinism
Replies: 2
Views: 2212

Albinism

http://en.wikipedia.org/wiki/Albinism http://askville.amazon.com/people-born-albinism/AnswerViewer.do?requestId=449012 http://runkle-science.wikispaces.com/Albinism http://www.tutorvista.com/content/biology/biology-iii/human-genetics/genetic-diseases.php ...

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by prashantakerkar
Fri Mar 30, 2012 5:41 am
 
Forum: Human Biology
Topic: Albinism
Replies: 2
Views: 2212

Genetic interaction

... can help me :) A dominant gene V in humans causes certain areas of the skin to become depigmented, a condition called "vitiligo." Albinism is the complete lack of pigment production and is produced by the recessive genotype aa. The albino locus is epistatic to the vitiligo locus. ...

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by MSB2012
Sat Dec 10, 2011 12:18 pm
 
Forum: Genetics
Topic: Genetic interaction
Replies: 4
Views: 3418

Question about evolution in progress

... If the character is regulated by a single gene whose correct expression is necessary you are going to have an all or nothing kind of selection, albinism would be a fitting example for you. However this is more an exception than the rule and many characters are governed by more than one gene ...

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by canalon
Thu Jan 06, 2011 3:06 am
 
Forum: Evolution
Topic: Question about evolution in progress
Replies: 9
Views: 4621
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