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topjm [15]
3 years ago
11

Why is color- blindness more common in men than in women?

Biology
1 answer:
lana [24]3 years ago
4 0
The most commons forms of colorblindness are genetic conditions, passed along the x-chromosome. People with an x-chromosome and a y-chromosome only need their one x to be defective to catch it. People with two x-chromosomes need both to be defective.

Most women have two x-chromosomes (XX), and most men have an x-chromosome and a y-chromosome (XY). That's why colorblindness is much more common in men than in women.
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