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Who is more likely to be colorblind?

men

women

sailors

everyone with the same probability

It is much less likely for a woman to be red-green colorblind than a man, since this common type of color blindness is caused by a recessive gene in the X chromosome. For a woman, both of her X chromosomes would have to be affected. A man only has one X chromosome, so he is more likely to be color-blind.

Mike Stanaway

7

Christian Heilmann

blindnesscolorsgenesgeneticsmedicinesight

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Answers by country

Republic of Ireland

94%

0%

0%

5%

36

the Netherlands

88%

3%

0%

3%

27

Russia

82%

2%

5%

6%

203

Poland

79%

3%

2%

14%

18252

Switzerland

79%

5%

2%

8%

34

Unknown

78%

4%

4%

13%

23

Belarus

77%

5%

0%

7%

40

Austria

75%

8%

4%

11%

45

Pakistan

74%

5%

3%

13%

59

Australia

74%

6%

5%

11%

59

Germany

72%

5%

5%

13%

306

Italy

72%

0%

4%

22%

22

Greece

71%

10%

7%

10%

28

Canada

68%

11%

4%

13%

44

Kazakhstan

68%

16%

8%

4%

25

the United Kingdom

67%

3%

3%

22%

239

Ukraine

67%

7%

6%

13%

83

the United States

66%

4%

3%

23%

570

the Philippines

56%

6%

8%

29%

48

India

42%

11%

14%

28%

337

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