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DNA analysis of a patient with two different marker chromosomes using Y-specific DNA probes
T Tamura1, Y Kuroki, S Nagafuchi
1Department of Congenital Abnormalities Research, National Children's Medical Research Center, Tokyo, Japan.
Abstract:
A female patient with unilateral gonadal dysgenesis was a mosaic for three cell lines, 45,X/46,X, + marI/46,X, + marII, including two different marker chromosomes. DNA analysis using 17 Y-specific DNA probes revealed that each marker consists of different segments of the Y chromosome.