Article
An unusual sex-determination system in South American field mice (Genus Akodon): the role of mutation, selection, and meiotic drive in maintaining XY females.
Evolution; international journal of organic evolution - 1 Jan 2001
Hoekstra H E, Hoekstra J M
Abstract excerpt
The mechanism of sex determination in mammals appears highly conserved: the presence of a Y chromosome triggers the male developmental pathway, whereas the absence of a Y chromosome results in a default female phenotype. However, if the Y chromosome fails to initiate the male pathway (referred to as Y*), XY* females can result, as is the case in several species of South American field mice (genus Akodon). The...
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