Results of STR typing in the maternal UPD(20) family. Data from markers other than chromosome 20 STRs are not shown
| STR | Coordinate (cM)2-150 | Father | Mother | Patient | Informativity |
| D20S117 | 2 | 1-1 | 1-1 | 1-1 | — |
| D20S199 | 5 | 1-2 | 1-1 | 1-1 | — |
| D20S95 | 16 | 1-3 | 2-3 | 2-3 | — |
| D20S194 | 18 | 3-3 | 1-2 | 1-2 | Maternal UPD |
| D20S170 | 74 | 1-4 | 2-3 | 2-3 | Maternal UPD |
| D20S96 | 76 | 1-1 | 1-2 | 1-2 | — |
| D20S178 | 84 | 1-3 | 2-4 | 2-4 | Maternal UPD |
| D20S109 | 91 | 1-1 | 1-1 | 1-1 | — |
| D20S120 | 99 | 2-2 | 1-3 | 1-3 | Maternal UPD |
↵2-150 The genetic distances and the order of markers correspond to the map published by Gyapay et al.19