For more information on the proposed rule, contact Lisa Satterfield, ASHA's director of health care regulatory advocacy, at lsatterfield@asha.org or Neela Swanson, ASHA's director of health care coding policy, at nswanson@asha.org.
The link is that it's genes that are evolving. Evolution refers to the changing of the genetic content of a genome. In other words, the genetic code says one thing; then it says something different. It is the accumulation of these changes that causes the origin of species. http://www.cabdirect.org/abstracts/19432...
In the early 20th century the modern evolutionary synthesis integrated classical genetics with Darwin's theory of evolution by natural selection through the discipline of population genetics. The importance of natural selection as a cause of evolution was accepted into other branches of biology.