Deletion of the long arm of the Y chromosome and review of Y chromosome abnormalities.

We report on a patient whose karyotype is 45,X/46,X,del(Y) (pter----q11.212). We also present a review of literature on the Y chromosome in which evidence is presented that there are genes on the Y chromosome that prevent Ullrich-Turner syndrome manifestations; aid in testes maturation and spermatogenesis; and affect height, tooth size, and bone maturation.

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