Article
Male sexual differentiation in mice lacking H-Y antigen.
Nature - 1 Jan 2000
McLaren A, Simpson E, Tomonari K, Chandler P, Hogg H
Abstract excerpt
The sexual phenotype of an adult mammal depends on whether the fetal gonad has differentiated as a testis or as an ovary. Because individuals of XY or XXY sex chromosome constitution develop as males, while XX and XO individuals develop as females, the presence of a Y chromosome seems normally to be required for testis differentiation and its absence to be necessary for differentiation of an ovary. The nature of...
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