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Canine Morphology: Hunting for Genes and Tracking Mutations

Figure 3

Size variation in the dog.

Variation in skeletal morphology in the dog is a complex phenotype, with IGF-1 as a major determinant of small size [32]. The difference in overall body size between a Cane Corso and a Yorkshire terrier is over 30-fold, yet both are members of the same species, Canis familiaris.

Figure 3