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Monozygotic twins of different apparent sex
American Journal of Medical Genetics
|October 15, 1994
Abstract:
We report on twins of unlike sex who shared a 45,X/46,X,+mar karyotype. The mar chromosome was found to be Yq- by DNA analysis. Marker studies, including 8 VNTR loci, yielded a probability of monozygosity of 0.99999996.