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
flagItaly
93%
0%
0%
6%
29
flagSwitzerland
91%
0%
0%
8%
12
flagRepublic of Ireland
90%
0%
1%
7%
55
flagLithuania
82%
5%
5%
5%
17
flagPoland
81%
2%
2%
12%
14211
flagthe Netherlands
78%
8%
0%
10%
47
flagUkraine
78%
8%
4%
8%
23
flagthe United Kingdom
77%
3%
2%
15%
331
flagGermany
77%
1%
1%
18%
177
flagFrance
76%
4%
0%
20%
25
flagCzech Republic
76%
0%
15%
7%
13
flagUnknown
75%
2%
2%
18%
602
flagAustralia
75%
6%
6%
12%
16
flagthe United States
71%
3%
3%
20%
391
flagSweden
71%
0%
4%
19%
21
flagNorway
69%
5%
2%
22%
36
flagthe United Arab Emirates
66%
11%
0%
22%
18
flagCanada
65%
5%
5%
21%
38
flagthe Philippines
65%
10%
10%
15%
20
flagIndia
49%
7%
15%
23%
121

Gender

men76%
women85%
men
76%
85%
women
3%
1%
sailors
3%
1%
everyone with the same probability
16%
11%

Language versions

question
answers
results
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Who is more likely to be colorblind?
822
63%

Details

Author: Mike Stanaway
Illustration: Christian Heilmann
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