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Chromosomal and genetic markers in HSP. The above diagram illustrates all the genes and their location on the chromosomes related to the HSP phenotypes: AD, autosomal dominant forms; AR, autosomal recessive forms; XLR, X-linked recessive forms; and mitochondrial inheritance. The solid line represents the AD forms of HSP, whereas the dotted lines show the AR forms. The spiky green cloud with a dotted line represents the XLR HSP form.
