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Old 05-04-2013, 16:48   #5
PRB
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Join Date: Mar 2009
Location: Arizona
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Quote:
Originally Posted by DocIllinois View Post
It occurs over several generations of organisms through gene duplication. This addition is usually free from selective pressure, so there is no negative effect on the host organism.




And that, in a nutshell, is why my involvment in this discussion is limited to the above fact.
or too put it another way...Has a mutation been observed which has added new and beneficial genetic information to the pre existing gene pool which was inherited from the parents of the mutant?
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