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Vitiligo

vitiligo

(Science: dermatology) This disorder is characterised by regions of otherwise normal skin of nonpigmented white patches of varied sizes, often symmetrically distributed and usually bordered by hyperpigmented areas. Hair in the affected areas is usually, but not always, white.


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Genetic interaction

... I said, you need to draw a trihybrid cross Punnett square to solve this problem. Both parents are heterozygous and here is why: Both parents are vitiligo with mild anemia. 1. Vitiligo is dominant. So, it can be due VV or Vv genotype. If either parent is VV, then none of the progeny would be normal. ...

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by Cat
Mon Dec 12, 2011 9:05 pm
 
Forum: Genetics
Topic: Genetic interaction
Replies: 4
Views: 3215

Genetic interaction

... question hope someone 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 ...

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by MSB2012
Sat Dec 10, 2011 12:18 pm
 
Forum: Genetics
Topic: Genetic interaction
Replies: 4
Views: 3215

The Fiber Disease

... of secondary psychiatric illnesses, or psychological problems that occur secondary to disfigurement, he says. If the patient has extensive vitiligo on his or her face and happens to be a dark-skinned individual, that person can easily become depressed and sociophobic, Dr. Koo explains. ...

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by RANDY
Fri Jan 12, 2007 1:55 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5410246

The Fiber Disease

... too much about it. I have read other accounts of people with this disease exhibiting the same pigmentation marks. What could be the cause of this? Vitiligo? (Found via google: white pigmentation arms hands ) TamTam...any thoughts on this? Also, back to fibres. TamTam said don't fixate on the fibres ...

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by Anonymous
Mon Apr 24, 2006 11:56 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5410246


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