Genomic drift and copy number variation of sensory receptor genes in humans.

  title={Genomic drift and copy number variation of sensory receptor genes in humans.},
  author={Masafumi Nozawa and Yoshihiro Kawahara and Masatoshi Nei},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={104 51},
The number of sensory receptor genes varies extensively among different mammalian species. This variation is believed to be caused partly by physiological requirements of animals and partly by genomic drift due to random duplication and deletion of genes. If the contribution of genomic drift is substantial, each species should contain a significant amount of copy number variation (CNV). We therefore investigated CNVs in sensory receptor genes among 270 healthy humans by using published CNV data… CONTINUE READING
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