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The Mus musculus musculus type Y chromosome predominates in Asian house mice

Published online by Cambridge University Press:  14 April 2009

Yutaka Nishioka
Affiliation:
Department of Biology, McGill University, Montreal, Quebec, Canada H3A 1B1
Estelle Lamothe
Affiliation:
Department of Biology, McGill University, Montreal, Quebec, Canada H3A 1B1
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Using a mouse Y chromosomal repetitive sequence that differentiates between the Mus musculus musculus type Y chromosome and the M. m. domesticus type Y chromosome, we studied the Y chromosome in M. m. molossinus, M. m. castaneus and M. m. subspecies specimens recently trapped in Japan, Taiwan and China as well as Asian mice maintained at the Jackson Laboratory and Litton Bionetics. Here we report that the M. m. musculus type Y chromosome predominates in Asian house mice and that Japanese mice maintained at some laboratories may not represent typical M. m. molossinus.

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Type
Research Article
Copyright
Copyright © Cambridge University Press 1987