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.

Answers distribution

men
women
sailors
everyone with the same probability
answers
flagSwitzerland
100%
0%
0%
0%
10
flagRepublic of Ireland
91%
0%
2%
6%
46
flagItaly
91%
0%
0%
8%
24
flagUnknown
87%
3%
1%
7%
54
flagLithuania
87%
6%
6%
0%
16
flagPoland
82%
2%
2%
12%
10925
flagGermany
80%
0%
1%
16%
153
flagAustralia
80%
6%
6%
6%
15
flagthe Netherlands
78%
5%
0%
13%
38
flagthe United Kingdom
77%
3%
2%
14%
263
flagUkraine
75%
6%
6%
12%
16
flagFrance
73%
4%
0%
21%
23
flagthe United States
70%
2%
3%
20%
334
flagthe Philippines
70%
5%
11%
11%
17
flagthe United Arab Emirates
66%
16%
0%
16%
12
flagNorway
65%
6%
3%
24%
29
flagCanada
64%
5%
5%
21%
37
flagSweden
64%
0%
7%
28%
14
flagIndia
48%
7%
16%
25%
104
flagSouth Africa
36%
18%
18%
27%
11

Gender

men78%
women85%
men
78%
85%
women
3%
2%
sailors
4%
1%
everyone with the same probability
14%
11%

Language versions

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answers
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Who is more likely to be colorblind?
708
64%

Details

Author: Mike Stanaway
Illustration: Christian Heilmann
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