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The pedigrees for the probands, indicated by arrowheads. (*, DNA sample obtained; closed symbol, affected; circle – female; square – male). Genotyping of Patient #444 and her father with 19p markers (from 5′ to 3′, 19S226, 19S1150, polymorphic CAG repeats, and 19S221) are shown with the pedigree. Haplotypes shared between the patient and the father are highlighted by rectangles.
