Comparative Painting Reveals Strong Chromosome Homology Over 80 Million Years of Bird Evolution

@article{Shetty1999ComparativePR,
  title={Comparative Painting Reveals Strong Chromosome Homology Over 80 Million Years of Bird Evolution},
  author={Swathi Shetty and Darren K. Griffin and Jennifer A. Marshall Graves},
  journal={Chromosome Research},
  year={1999},
  volume={7},
  pages={289-295}
}
Chickens and the great flightless emu belong to two distantly related orders of birds in the carinate and ratite subclasses that diverged at least 80 million years ago. In the first ZOO-FISH study between bird species, we hybridized single chromosome paints from the chicken (Gallus domesticus) onto the emu chromosomes. We found that the nine macrochromosomes show remarkable homology between the two species, indicating strong conservation of karyotype through evolution. One chicken… CONTINUE READING

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