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Created with Fabric.js 1.4.5 Color Blindness a defect in the perception of colors, caused by a deficiency of certain specialized cells in the retina Genetic factors The color blindness mutation is found in the X chromosome Heredity Because males have XY chromosomes, they are more likely to inherit the mutation. Adaptations Since people who are color blind can't see colorsnormally, they can memorize locations and positions of objects Color Blindness is prevalent in 8% of men Color Blindness is prevalent in .5% of women In women, because they have the XX alleles, if one X has a mutation but the other doesn't, the female would have no color deficiency. Three Common Types of Colorblindness Out of the 8% of men who are color blind, 5% are deuteranopian. Out of the 8% of men who are color blind, 1-2% are protanopian. Out of the 8% of men who are color blind, .5-1% are tritanopian. Deuteranopian people may confuse reds with greens, greens with yellows, pinks with greys, Protanopian people may confuse blacks and reds, browns and greens, oranges and reds, and purples and pinks. Tritanopian people may confuse blues with greys, purples with blacks, oranges with reds, and greens with blues. this is a side by side comparison of regular vision and vision with red-green color blindness.If you are seeing the images displayed on the right side onthe images of the left side,you may have red-green colorblindness. By Lindsay Kastner http://www.nlm.nih.gov http://www.ncbi.nlm.nih.gov http://www.colourblindawareness.org http://www.news-medical.net
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