Post by Pahu79 on Oct 2, 2012 15:17:12 GMT -5
Mutations 1
Mutations are the only known means by which new genetic material becomes available for evolution (a).
a. “Ultimately, all variation is, of course, due to mutation.” [/i] Ernst Mayr, “Evolutionary Challenges to the Mathematical Interpretation of Evolution,” Mathematical Challenges to the Neo-Darwinian Interpretation of Evolution, editors Paul S. Moorhead and Martin M. Kaplan, proceedings of a symposium held at the Wistar Institute of Anatomy and Biology, 25–26 April, 1966 (Philadelphia: The Wistar Institute Press, 1967), p. 50.
“Although mutation is the ultimate source of all genetic variation, it is a relatively rare event,...” [/i] Ayala, p. 63.
[From “In the Beginning” by Walt Brown]