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%
31
flagRepublic of Ireland
89%
0%
1%
8%
56
flagLithuania
82%
5%
5%
5%
17
flagPoland
81%
2%
2%
12%
15217
flagthe Netherlands
80%
8%
0%
10%
50
flagUkraine
79%
8%
4%
8%
24
flagGermany
78%
1%
1%
17%
183
flagthe United Kingdom
77%
3%
2%
15%
343
flagCzech Republic
76%
0%
15%
7%
13
flagUnknown
75%
2%
2%
19%
677
flagAustralia
75%
6%
6%
12%
16
flagFrance
74%
7%
0%
18%
27
flagCroatia
71%
14%
0%
14%
14
flagthe United States
70%
3%
3%
20%
403
flagSweden
70%
0%
3%
18%
27
flagNorway
68%
5%
2%
23%
38
flagthe United Arab Emirates
66%
11%
0%
22%
18
flagthe Philippines
65%
8%
13%
13%
23
flagCanada
64%
5%
5%
23%
39
flagIndia
48%
6%
15%
25%
132

Gender

men75%
women85%
men
75%
85%
women
3%
2%
sailors
3%
1%
everyone with the same probability
16%
11%

Language versions

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Who is more likely to be colorblind?
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Details

Author: Mike Stanaway
Illustration: Christian Heilmann
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