Table 1.
Overview of the repeat size and the number of interrupting AGG triplets for 51 females.
| # AGG triplets | |||||
|---|---|---|---|---|---|
| Repeat range | 0 | 1 | 2 | 3 | # alleles |
| Normal | 50 | ||||
| 20–24 | 1 | 11 | 0 | 0 | 12 |
| 25–29 | 1 | 0 | 3 | 0 | 4 |
| 30–34 | 0 | 2 | 29 | 0 | 31 |
| 35–39 | 0 | 0 | 2 | 0 | 2 |
| 40–44 | 0 | 0 | 0 | 1 | 1 |
| Gray-zone | 26 | ||||
| 45–49 | 1 | 3 | 14 | 1 | 19 |
| 50–54 | 0 | 4 | 3 | 0 | 7 |
| Premutation | 26 | ||||
| 55–59 | 1 | 3 | 6 | 0 | 10 |
| 60–64 | 0 | 1 | 0 | 0 | 1 |
| 65–69 | 2 | 0 | 3 | 0 | 5 |
| 70–74 | 1 | 0 | 3 | 0 | 4 |
| 75–79 | 0 | 0 | 2 | 0 | 2 |
| 80–84 | 0 | 0 | 2 | 0 | 2 |
| 85–89 | 0 | 0 | 1 | 0 | 1 |
| 90–94 | 0 | 0 | 0 | 0 | 0 |
| 95–100 | 1 | 0 | 0 | 0 | 1 |
| # alleles with N AGG triplets | 8 | 24 | 68 | 2 | |
Fifty females carry a normal allele (<45 repeats) and an intermediate (45–54 repeats) or a premutation allele (55–200 repeats) and 1 female carries two premutation alleles. The repeat range where the number of AGG triplets has the largest impact on the expansion risk is depicted in bold.