Fig. 1From: A frameshift mutation in MOCOS is associated with familial renal syndrome (xanthinuria) in Tyrolean Grey cattleFamily tree of the affected Tyrolean Grey cattle with renal syndrome (xanthinuria). Males are represented by squares, females by circles. Affected animals are shown with fully black symbols. Half-filled symbols represent healthy obligate heterozygous carriers and open symbols with a question mark represent relatives with an unknown genotype. Cases 1 and 2 are the initially studied twin cases, whereas case 3 and 4 are the additional cases reported laterBack to article page