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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

Republic of Ireland

95%

0%

0%

5%

60

the Netherlands

84%

4%

0%

9%

44

Austria

80%

4%

3%

8%

131

Switzerland

80%

3%

7%

8%

95

Poland

79%

3%

2%

14%

20164

Belarus

75%

6%

1%

10%

104

Australia

73%

5%

5%

13%

76

Pakistan

73%

5%

2%

13%

69

France

72%

6%

6%

15%

33

Russia

71%

6%

3%

7%

988

Germany

71%

6%

5%

14%

877

Kazakhstan

69%

9%

5%

11%

94

the United Kingdom

67%

4%

3%

21%

340

Ukraine

67%

6%

4%

15%

184

the United States

66%

4%

3%

22%

778

Canada

66%

11%

2%

17%

80

KG

61%

15%

4%

15%

44

Uzbekistan

61%

5%

8%

11%

34

the Philippines

56%

7%

5%

26%

67

India

41%

12%

15%

27%

453

Which diseases are exceptionally common among Amishes?

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