Rodriguez Delgado, Claudia; Deakin, Janine
For many years it was thought that the X chromosome in all three major lineages of mammals (monotremes, marsupials and eutherians) had a shared evolutionary history. However, monotreme and marsupial genome projects and the employment of molecular cytogenetic techniques have enabled the evolutionary history of mammalian X chromosomes to be more accurately traced. This research revealed that monotremes have a complex sex chromosome system consisting of multiple X chromosomes that share no...[Show more]
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