Fig. 1 | Human Genome Variation

Fig. 1

From: Jervell and Lange-Nielsen syndrome with novel KCNQ1 and additional gene mutations

Fig. 1

Roman numerals refer to the different generations, and numbers 1–8 identify individuals within each generation. The proband is indicated by the arrow (IV-1). The phenotypes are indicated by half-filled circles or squares; long QT is shown on the left, and deafness is shown on the right. QTc time, electrocardiograms, and the genotypes of the proband and his parents (III-2, III-6) are indicated.

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