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Fluorescent evidence for spermatocytes with two Y chromosomes in an XYY male

✍ Scribed by MAJ HULTÉN; P. L. PEARSON

Book ID
115247213
Publisher
John Wiley and Sons
Year
1971
Tongue
English
Weight
272 KB
Volume
34
Category
Article
ISSN
0003-4800

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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
✍ Patricia A. Hunt; Eva M. Eicher 📂 Article 📅 1991 🏛 Springer 🌐 English ⚖ 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