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Figure 2 | BMC Medical Genetics

Figure 2

From: Genetic and expression studies of SMN2 gene in Russian patients with spinal muscular atrophy type II and III

Figure 2

Pedigrees of spinal muscular atrophy (SMA) families with biallelic absence of the SMN1 gene in unaffected subjects. (a) family 1, (b) family 2; circles represent females, squares represent males, black symbols represent biallelic SMN1 absence in affected individuals, dot symbols represent heterozygous SMA carriers, vertical line symbols represent biallelic SMN1 absence in unaffected individuals.

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BMC Medical Genetics

ISSN: 1471-2350

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