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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

85%

4%

0%

8%

47

Austria

80%

4%

3%

9%

135

Switzerland

80%

2%

6%

8%

103

Poland

79%

3%

2%

14%

20269

Belarus

74%

6%

2%

12%

114

Australia

74%

5%

5%

12%

77

Pakistan

74%

5%

2%

12%

70

Germany

71%

6%

5%

14%

910

Russia

70%

6%

4%

7%

1057

the United Kingdom

68%

4%

3%

21%

347

Kazakhstan

68%

10%

5%

13%

100

the United States

67%

4%

3%

22%

800

Ukraine

67%

6%

4%

15%

187

France

66%

5%

8%

19%

36

Canada

65%

11%

2%

18%

81

Uzbekistan

65%

4%

9%

9%

41

KG

61%

16%

6%

14%

49

the Philippines

56%

7%

5%

26%

67

India

42%

12%

15%

27%

454

Which diseases are exceptionally common among Amishes?

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How many chromosomes does a mule have? (A horse has 64, a donkey has 62)

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