Dictionary » B » Blindness

Blindness

Blindness

The inability to see or the loss or absence of perception of visual stimuli. This condition may be the result of disorders in the organs of sight or of damage or injury to certain areas of the brain.


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Help??? Genetics problem cannot figure it out?

Genes for color blindness and hemophilia are linked on the X-chromosome in humans with a recombination frequency of 30%. A woman whose father was a color blind hemophiliac and mother was normal with no history of color blindness and ...

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by adamk92
Sun Feb 17, 2013 10:29 pm
 
Forum: Genetics
Topic: Help??? Genetics problem cannot figure it out?
Replies: 2
Views: 991

Females heterozygous for X linked diseases

... ~1/2 of her cells in retina would have a recessive allele and the other half would have the dominant allele?Or 1/2 is not enough to cause color blindness?And I'd like to know if it's true with other X linked diseases.

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by kysa
Fri Jan 04, 2013 5:04 pm
 
Forum: Genetics
Topic: Females heterozygous for X linked diseases
Replies: 1
Views: 742

Method preventing illnesses in the progeny

... distinctly realize similar to researchers in the field of genetics an outstanding role of surgeons in reproduction of cardio-defects, a harelip, blindness, absence in the newborn organism from intestines of the external aperture and so it is infinite. In the field of experimental oncology it ...

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by valentindolzhenko
Sun Jan 08, 2012 4:26 pm
 
Forum: Physiology
Topic: Method preventing illnesses in the progeny
Replies: 3
Views: 4768

Re: Theories - Origin of Life

... in the cave environment (Culver 1982; Poulson 1963;Poulson and White 1969). As implied in the Darwin quote, however, the actual benefits of blindness have been difficult to understand. This hypothesis is the one favoured by Jeffrery along with others, and is a Darwinian explanation. Jeffery ...

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by scottie
Sun Dec 25, 2011 1:01 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 606352

Re: Congenital Blindness - Hereditary Disease ?

Thank you. http://insideofiran.org/en/component/content/article/60-scientific/960-iranian-researcher-discovers-congenital-blindness-gene.html Thanks & Regards, Prashant S Akerkar

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by prashantakerkar
Thu Nov 10, 2011 8:32 am
 
Forum: Human Biology
Topic: Congenital Blindness - Hereditary Disease ?
Replies: 2
Views: 1065
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