| 61 | 112 | 158 | global average frequency[101] | |
| human ε4 | R | R | R | 0.14 + 0.036 |
| ε3 | R | C | R | 0.78 + 0.042 |
| ε2 | R | C | C | 0.08 + 0.026 |
| mouse | T | R | R | 1.0 |
| chimpanzee | T | R | R | 1.0 |
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