Involvement of Synaptonemal Complex Proteins in Sex Chromosome Segregation during Marsupial Male Meiosis

@article{Page2006InvolvementOS,
  title={Involvement of Synaptonemal Complex Proteins in Sex Chromosome Segregation during Marsupial Male Meiosis},
  author={Jes{\'u}s Page and Alberto Viera and Mar{\'i}a Teresa Parra and Roberto de la Fuente and Jos{\'e} {\'A}ngel Suja and Ignacio Pri{\'e}to and Jos{\'e} L. Barbero and Julio S. Rufas and Soledad Berr{\'i}os and Ra{\'u}l Fern{\'a}ndez-Donoso},
  journal={PLoS Genetics},
  year={2006},
  volume={2},
  pages={230 - 237}
}
Marsupial sex chromosomes break the rule that recombination during first meiotic prophase is necessary to ensure reductional segregation during first meiotic division. It is widely accepted that in marsupials X and Y chromosomes do not share homologous regions, and during male first meiotic prophase the synaptonemal complex is absent between them. Although these sex chromosomes do not recombine, they segregate reductionally in anaphase I. We have investigated the nature of sex chromosome… CONTINUE READING
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