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Showing posts with label behind blue eyes. Show all posts
Showing posts with label behind blue eyes. Show all posts

Friday, January 8, 2010

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According to the latest research that is now known among people is “all people with blue eyes have a single ancestor.”
A group of scientists has traced down due to a genetic alteration it happened and it leads to blue eyes. This mutation was occurs and declare almost between 6,000--10,000 years ago. And it is said that, before then, there were no existence of blue eyes. "Originally, as we know that we all had brown eyes," said Hans Eiberg from the Department of Cellular and Molecular Medicine at the University of Copenhagen. Further added that, the mutation attacked on the OCA2 gene so called, it is involved in the creation of melanin, this pigment known as that it gives color to our skin hair and eyes. "Eiberg said. The genetic mutation that happened in almost 10,000 years ago it affect the same gene so called OCA2 gene that exist in our chromosomes so due to this it turns creating blue eyes ability has been turned off, so due to this a new color of eyes exist in the world called blue, A condition that is known as albinism according to this condition if OCA2 gene has totally turn down then our eyes, and skin should be less-melanin. Several generations, segments of inherited DNA and they get shuffled so that persons have changeable sequences. According to some other researches it is proved that all having blue eyes belong to an individual scientist get DNA test from many countries like india and Jordon and they said the DNA series didn’t have sufficient time to get mixed up. And it is further explained that few of these segments, though, that haven't been reshuffled known as haplotypes. And an interesting point is if a collection of individuals shares long haplotypes that gives the sense the series arising very recently in our human.

Wednesday, December 16, 2009

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The Human error is still one of the mainly frequent causes of catastrophe and natural disasters. The main reason is that the monitor systems concern only the state of the processes where as human contribution to the overall performance of the system is left unsupervised. Since the control instruments are automated to a large extent, a human operator becomes a passive observer of the supervised system, which results in weariness and vigilance drop.
Humans and animals have many phenotypic variations in eye color, as blue, brown, green and others. These variations constitute phenotypic traits. The color of Eye is a polygenic phenotypic character and is unwavering by the amount and type of pigments in the eyes. The heredity of eye color is complex and eye color is determined by multiple genes. Some of the eye-color genes include EYCL1 a green blue eye-color gene located on chromosome 19 EYCL2 a brown eye-color gene) and EYCL3 a brown/blue eye-color gene located on chromosome 15. The once-held view that blue eye color is a simple recessive trait has been shown to be wrong. The genetics of eye color are so complex that almost any parent-child combination of eye colors can occur.
Technology of BLUE EYES which aims at creating computational machines that have perceptual and sensory abilities like those of human beings. Therefore he could not notice significant changes of indications causing monetary or ecological penalty and a threat to human life. It therefore is crucial to assure that the operators conscious brain is involved in an active system supervising over the whole work time period. It is possible to measure indirectly the level of the operators conscious brain involvement using eye motility analysis.
Likewise we can understand humans expressive state by his facial terminology. If we add these perceptual ability to computers we would allow them to work together with human beings as intimate partners. It provides technical means for monitoring and recording human operators physiological condition.
 
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