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A 41, XYY mouse

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Summary

Cytogenetic analyses of bone marrow and meiotic cells in an apparently normal male mouse clearly revealed the presence of an extra Y chromosome leading to 2n=41, XYY. During meiosis the sex chromosomes formed all possible types of combinations (XYY, XY/Y, YY/X and X/Y/Y). Compared to 40, XY normal mice, the sperm count was significantly less, but the incidence of sperm head abnormality was at the normal level.

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Authors and Affiliations

  1. School of Life Sciences, Sambalpur University, 768017, Burla, Orissa, (India)

    R. K. Das & R. N. Kar

Authors
  1. R. K. Das
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  2. R. N. Kar
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Additional information

Acknowledgment. The authors are grateful to Prof. G. K. Manna, Department of Zoology, Kalyani University, for his valuable comments and Prof. M. C. Dash, School of Life Sciences, Sambalpur University for providing necessary facilities. Thankful acknowledgment to CSIR, India for a SRF awarded to RNK.

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Das, R.K., Kar, R.N. A 41, XYY mouse. Experientia 37, 821–822 (1981). https://doi.org/10.1007/BF01985659

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  • DOI: https://doi.org/10.1007/BF01985659

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