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Papillon

Papillon genetic profile from the CanVAS Atlas. 46 dogs in the Atlas, heterozygosity 0.34. Nearest relatives, trait loci frequencies, cohort distribution.

What the atlas says about Papillon

In the atlas, the Papillon clusters consistently as Papillon (100% of the 46 dogs here). Genetic diversity is high (mean heterozygosity 0.3428), reflecting either a mixed-breed cluster or breeds with broad genetic backgrounds. At the trait loci, SMAD2 runs lower than average (23% here vs 74%); FGF4_retrogene_CFA12 runs lower than average (37% here vs 80%).

Ranks 84 of 107 on the bottleneck severity scale, in the upper quartile of genetic diversity. Mean heterozygosity is 0.343, notably high, indicates broad genetic background. Low breed predictability score (0.23), individual dogs of this breed vary widely in genetics, suggesting active substructure or sub-population diversity.

Closest genetic neighbors in the atlas: Chihuahua, Pomeranian, Miniature Pinscher, Keeshond, and village dog Peru Puno.

Genetic dimensions · CanVAS atlas

What the genome says about Papillon

Computed from the 14,478 research dogs in the Atlas. Methods: technical methodology.

Dogs in the Atlas
46Founders
29 from Hayward2016, 10 from Spatola, 3 from Shannon
Genetic diversity
0.34Moderate
Mean heterozygosity across the breed. Ranks 84th most genetically tight of 107 ranked breeds.
Cluster structure
Splits into two genetic sub-populations
Intra-breed RMS distance: 26.92 · likely working/show-line, regional, or kennel lineage split.
Nearest genetic relatives
  1. Chihuahua3.09
  2. Pomeranian3.12
  3. Miniature Pinscher3.86
  4. Keeshond4.76
  5. Village Dog Peru Puno4.82
Top-10 PC corrected Euclidean. Lower = closer.
Trait genetics
Allele frequencies at named morphology loci

Frequency of the alternate allele in this breed at each locus's representative SNP. Methods + caveats in technical methodology.

Body size
IGF195%
HMGA241%
SMAD223%
LCORL90%
STC296%
ADAMTS1760%
Leg length
FGF4·CFA1872%
FGF4·CFA1237%
Coat
RSPO260%
FGF566%
KRT7164%
MC1R83%
Ear set
MSRB385%
Skull shape
BMP387%
SMOC294%
Add your Papillon to the Atlas

You can add your Papillon right now at /add/ as a Charted star. Or, if you'd rather wait for DNA uploads, leave your email and we'll let you know the moment those open.

Last updated
Sources: CanVAS (Brundage 2026) · CanVAS dimensions data