Table 1. Domestic cats genotyped for the mutation associated with hypokalemia.

Breed	Origin	Phenotype	No.		Genotype
				C/C	C/T	T/T
	USA	Normal	16	16	0	0
	Asia	Affected*	2	0	0	2
Burmese	Europe (UK	Affected* +	22	0	0	22
	+ Germany)	Normal+	16	10	6	0
	Australia	Affected*	8	0	0	8
		Normal	0	0	0	0
Random Bred	UK	Affected*	2	0	0	2
Pedigree	Europe	Affected*	9	0	0	9
		Normal**	26	10	16	0
Bombay	USA	Normal	13	13	0	0
Random Bred	USA	Normal+	10	10	0	0
Tonkinese	USA	Normal	10	10	0	0
Total			134

^*All available affected cats were used in GWAS except only four of nine cats in the pedigree (Figure 2).

^**From the pedigree, only two of 26 cats were selected for the study (Figure 2).

⁺Cats used for sequencing: two affected, two controls, one random bred.