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Genotype frequencies for the ARSG-SNP in healthy and affected ASTs
| Clinical status of dogs | Healthy | Affected | ||
| Genotype at the ARSG-SNP locus | G/G | G/A | A/A | A/A |
| French ASTs | 53.5% (n = 38) | 45.1% (n = 32) | 1.4% (n = 1) | 100% (n = 66) |
| US ASTs | 43.6% (n = 48) | 53.6% (n = 59) | 2.7% (n = 3) | 100% (n = 72) |
The number of dogs is indicated in brackets. The high frequency of heterozygotes (50%) is compatible with the frequency of the deleterious allele that has been estimated to ~40% in US pedigrees (15).
