FGF4_retrogene_CFA12

The second FGF4 retrogene on chromosome 12.

Where the leg length variant sits across every breed with data, by allele frequencyAllele frequencyWhat it isHow common a gene variant is across dogs, from 0% (none carry it) to 100% (all do).For your dogA high number means it's common in the breed. It does not tell you whether your own dog carries it.PreciselyThe proportion of sampled chromosomes in a population that carry the variant allele.Sniff Atlas (CanVAS) · measured · Ask about this → and grouped by AKC breed groupAKC breed groupWhat it isThe American Kennel Club's grouping of breeds by the job they were bred for: Sporting, Hound, Working, Herding, Terrier, Toy, Non-Sporting.PreciselyAKC parent-group classification. A registry convention reflecting historical use, not a genetic grouping.American Kennel Club · registry convention. Each tick is one breed; a variant fixed in one group and absent in another shows up as a gap. These come from one marker per trait, so read them as a tag, not a verdictA trait tag, not a verdictWhat it isThese frequencies come from one marker per trait. It predicts the trait for most breeds, but there are real exceptions.For your dogRead it as a tendency for the breed, never as a guarantee about your dog. One marker is not the whole story.PreciselySingle-SNP trait proxies are population tags, not deterministic genotype-to-phenotype calls. Penetrance, modifier loci, and breed-specific haplotypes cause exceptions (for example, the MSRB3 ear-type tag misreads Toy Poodles and Belgian Sheepdogs).Sniff Atlas methodology · known limitation, stated · Ask about this →: accurate for most breeds, with real exceptions.

1. Boxer working
   100% n=192
2. Norfolk Terrier terrier
   100% n=32
3. Bullmastiff working
   100% n=31
4. Pug toy
   100% n=31
5. Irish Setter sporting
   100% n=23
6. Otterhound hound
   100% n=23
7. Afghan Hound hound
   100% n=21
8. Golden Retriever sporting
   99% n=3523
9. Mastiff working
   98% n=32
10. Belgian Tervuren herding
    97% n=31

1. English Cocker Spaniel sporting
   0% n=39
2. Beagle hound
   0% n=46
3. Cavalier King Charles Spaniel toy
   1% n=102
4. American Cocker Spaniel sporting
   2% n=67
5. Pembroke Welsh Corgi herding
   10% n=24
6. Basset Hound hound
   15% n=34
7. Miniature Schnauzer terrier
   15% n=62
8. Dachshund hound
   18% n=97
9. French Bulldog non_sporting
   21% n=41
10. Pekingese toy
    27% n=26

105 breeds with fewer than 20 genotyped dogs are not ranked here. At that sample size a single dog swings the frequency, so the figure is not yet stable enough to compare.