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Proportion of First-Degree Relatives Classified as Amusic by Test in Families of Amusic Probands and in Families of Controls
| No./Total (%) Amusic |
||||
| Group | Probands | Siblings | Offspring | All Family Members |
| Amusic | 9/9 | 9/21 (43) | 2/21a (10) | 20/51 (39) |
| Control | 0/10 | 2/22 (9) | 0/36 (0) | 2/68 (3) |
Corresponds to the 21 offspring who have one parent confirmed by test to be amusic.
