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. 1977 Oct;2(4):271-8.
doi: 10.1002/ana.410020403.

Pedigree testing in Duchenne muscular dystrophy

Pedigree testing in Duchenne muscular dystrophy

A D Roses et al. Ann Neurol. 1977 Oct.

Abstract

Female relatives of 41 Duchenne muscular dystrophy proband cases were studied with a panel of carrier-detection tests. A total of 277 relatives were tested in order to determine which mothers had affected sons as a result of new mutation. In 39 of 41 pedigrees the data demonstrate that a mutation cannot be postulated; the 2 megative pedigrees were inadequately tested. Our data suggest that all mothers of affected sons should be considered genetic carriers (heterozygotes) until proved otherwise. Our findings also raise questions concerning what mechanisms skew the indirect statistical estimates of mutation that are in common use.

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