From: Allelic frequency of 12-FGF4RG and the association between the genotype with number of calcified intervertebral discs visible on radiographs in Coton de Tuléar and French Bulldog breeds
12-FGF4RG Genotype
All dogs
Females
Males
Homozygous
60 (74%)
34 (57%)
26 (43%)
Heterozygous
17 (21%)
11 (65%)
6 (35%)
Wild-type
4 (5%)
4 (100%)
0 (0%)
Total
81 (100%)
49 (60%)
32 (40%)