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Asked by laurenwaring to Alex, Anaïs, Peter, Shreesha on 18 Mar 2015.
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Peter Maskell answered on 18 Mar 2015:
we have red, blue and green “detectors” in the eye. basically genetically we can sometime not inherit all 3. they genes are on the X chromosome meaning males are more likely to suffer from colour blindness as they only have 1 X (women have 2).
8 percent of males and 0.5 percent of females
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Shreesha Bhat answered on 18 Mar 2015:
Colour blindness is when you are not able to clearly see red, green or blue light. Most common form of colour blindness is -red/green colour blindness this does not mean sufferers mix up red and green, it means they mix up all colours which have some red or green as part of the whole colour. For example, a red/green colour blind person will confuse a blue and a purple because they can’t ‘see’ the red element of the colour purple.
Colour blindness occurs due to faulty cone cells (eyes have two types of cells -rods for night vision, and cones for daylight vision) Usually, three types of c0ne cells are present (one for red colour, second for blue and third for green colour). when two or more cone cells go faulty, it causes colour blindness!
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Anaïs Pujol answered on 19 Mar 2015:
Where does it come from? It is genetic and its given by the mother and affect mainly men as it is located on X chromosomes. Women have two X chromosomes when men have only one and it is recessive gene so women need that the two X chromosomes carry the anomaly when men need only one abnormal gene given by the mum.
What is it? We can see in colour due to three filter red, blue green. The intensity respective of those three colours will give a wide range of colour. This intensity are transfer to your brain by cells called’cones’. Been colour blindness is due to a default of one of those cones.
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