Table 2 Dispersion of AGG interruptions among Ashkenazi and non-Ashkenazi women with premutation.

From: Ethnicity has a multiplex impact upon the risk of a full mutation expansion among female heterozygotes for FMR1 premutation

 

Number of AGG interruptions

Ethnicity

0

1

2

3

4

Total

Ashkenazi

128 (35.4%)

156 (43.2%)

72 (19.9%)

3 (0.8%)

2 (0.5%)

361

Non-Ashkenazi

47 (20.3%)

77 (33.3%)

84 (36.3%)

12 (5.2%)

11 (4.7%)

231

  1. The dispersion of the number of AGG interruptions according to the heterozygote’s ethnic background demonstrates a higher number of Ashkenazi heterozygotes with no AGGs or a single AGG compared with non-Ashkenazi heterozygotes.
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