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A Scottish Terrier pedigree illustrating 27 dogs that were genotyped (green border). Females are ovals, and males are rectangles. Affected (case) dogs are solid red and normal (control) dogs are white. The black oval highlights the subfamily in which the affected dam has an affected male and a normal female offspring. The blue oval highlights a litter containing affected males and normal females. The pink oval highlights a female affected dog from apparently normal parents.
