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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%

8%

45

Austria

80%

4%

3%

9%

133

Switzerland

80%

2%

6%

8%

101

Poland

79%

3%

2%

14%

20219

Belarus

75%

6%

2%

11%

112

Australia

73%

5%

5%

13%

76

Pakistan

73%

5%

2%

13%

69

Germany

71%

6%

5%

14%

901

Russia

70%

6%

3%

7%

1033

the United Kingdom

68%

4%

3%

21%

344

Ukraine

68%

6%

4%

15%

185

Kazakhstan

68%

9%

5%

12%

96

France

68%

5%

8%

17%

35

the United States

66%

4%

3%

22%

787

Canada

65%

11%

2%

18%

81

Uzbekistan

65%

5%

10%

10%

40

KG

60%

16%

6%

14%

48

the Philippines

56%

7%

5%

26%

67

India

41%

12%

15%

27%

453

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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