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Are homologies in vertebrate sex determination due to shared ancestry or to limited options?

The same candidate genes and the same autosomes are repeatedly used as sex chromosomes in vertebrates. Are these systems identical by descent, or are some genes or chromosomes intrinsically better at triggering the first steps of sex determination?

Detalles Bibliográficos
Autores principales: Marshall Graves, Jennifer A, Peichel, Catherine L
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2884537/
https://www.ncbi.nlm.nih.gov/pubmed/20441602
http://dx.doi.org/10.1186/gb-2010-11-4-205