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How did the platypus get its sex chromosome chain? A comparison of meiotic multiples and sex chromosomes in plants and animals

Gruetzner, Frank; Ashley, Terry; Rowell, David M; Graves, Jennifer

Description

The duck-billed platypus is an extraordinary mammal. Its chromosome complement is no less extraordinary, for it includes a system in which ten sex chromosomes form an extensive meiotic chain in males. Such meiotic multiples are unprecedented in vertebrates but occur sporadically in plant and invertebrate species. In this paper, we review the evolution and formation of meiotic multiples in plants and invertebrates to try to gain insights into the origin of the platypus meiotic multiple. We...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/81775
Source: Chromosoma
DOI: 10.1007/s00412-005-0034-4

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