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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

Genetics quiz Colors quiz Medicine quiz

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Answers by country

Switzerland

93%

6%

0%

0%

15

Republic of Ireland

93%

0%

0%

6%

15

the Netherlands

92%

0%

0%

0%

14

Austria

83%

0%

0%

16%

12

Greece

81%

9%

0%

9%

11

Russia

80%

0%

9%

4%

21

Poland

78%

3%

2%

14%

16187

Unknown

78%

4%

4%

13%

23

Germany

75%

3%

4%

15%

90

Pakistan

73%

7%

4%

11%

42

Italy

73%

0%

6%

20%

15

Australia

70%

3%

11%

14%

27

Ukraine

68%

8%

4%

12%

25

the United States

66%

4%

3%

23%

441

Belarus

66%

4%

0%

14%

21

Canada

64%

12%

6%

12%

31

the United Kingdom

63%

4%

4%

25%

144

the Philippines

58%

10%

10%

20%

29

India

41%

9%

16%

29%

212

Malaysia

28%

14%

7%

50%

14

Which diseases are exceptionally common among Amishes?

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