{{Genotype
|rsid=121908555
|allele1=C
|allele2=T
|magnitude=3
|repute=Bad
|summary=possibility of Hypokalemic periodic paralysis
}}

Hypokalemic periodic paralysis (hypoKPP) is an autosomal dominant skeletal muscle disorder, so carriers of one rs121908555(T) allele may be at risk for this disorder.