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Genes on the marsupial Y chromosome

Murtagh, Veronica Jean

Description

The XX female/XY male sex chromosome system of therian mammals evolved from a homologous pair of autosomes following evolution of a testis-determining factor on the Y chromosome. Over time, male-advantage alleles accumulated around the sex-determining locus leading to suppression of recombination between the X and Y to preserve the male specificity of this region. In the absence of recombination, the Y chromosome serially degraded, resulting in the dimorphic sex chromosomes seen in extant...[Show more]

CollectionsOpen Access Theses
Date published: 2010
Type: Thesis (PhD)
URI: http://hdl.handle.net/1885/150646
DOI: 10.25911/5d5e773857dda
Access Rights: Open Access

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