Article
Common Spontaneous Sex-Reversed XX males of the Medaka Oryzias latipes
1 Jan 2003
Abstract excerpt
In the medaka, a duplicated version of the dmrt1 gene, dmrt1bY, has been identified as a candidate for the master male sex-determining gene on the Y chromosome. By screening several strains of Northern and Southern medaka we identified a considerable number of males with normal phenotype and uncompromised fertility, but lacking dmrt1bY. The frequency of such males was >10% in some strains and zero in others....
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