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When is a male not a male? Sex recognition and choice in two sex-changing species

โœ Scribed by Olivia V. Ambrogio; Jan A. Pechenik

Book ID
105972871
Publisher
Springer
Year
2008
Tongue
English
Weight
168 KB
Volume
62
Category
Article
ISSN
0340-5443

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Fertile male mice with three sex chromos
Fertile male mice with three sex chromosomes: Evidence that infertility in XYY male mice is an effect of two Y chromosomes
โœ Patricia A. Hunt; Eva M. Eicher ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Springer ๐ŸŒ English โš– 1008 KB

In the mouse XYY males are sterile, presumably because pairing abnormalities resulting from the presence of three sex chromosomes lead to meiotic breakdown. We have produced male mice, designated XYY\*X, that have three sex chromosomes pairing regions but only one intact Y chromosome. Unexpectedly X