Low variability in a Y-linked plant gene and its implications for Y-chromosome evolution

@article{Filatov2000LowVI,
  title={Low variability in a Y-linked plant gene and its implications for Y-chromosome evolution},
  author={D. Filatov and F. Mon{\'e}ger and I. Negrutiu and D. Charlesworth},
  journal={Nature},
  year={2000},
  volume={404},
  pages={388-390}
}
Sex chromosomes have evolved independently in several different groups of organisms, but they share common features, including genetic degeneration of the Y chromosome. Suppression of recombination between ancestral proto-X and proto-Y chromosomes is thought to have led to their gradual divergence, and to degeneration of the Y chromosome, but the evolutionary forces responsible are unknown. In non-recombining Y chromosomes, deleterious mutations may be carried to fixation by linked advantageous… Expand

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