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@REPLYADDR Ron Dean <rondean-noreply@gmail.com>
@REPLYTO 2:5075/128 Ron Dean
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Ron Dean wrote:
In a mindless, care-less, blind and indifferent universe how is it that
DNA has its own Proofreading and multiple Self Repair Mechanisms, (P&R)
which detects _virtually_ all the mutations within its molecule and
engages multiple mechanisms to repair A multitudes of mutations. How
could this have evolved in a step by step sequence, and why and how? By
random mutations and natural selection which detects pre-existing
mutations in the DNA molecule and then message the repair enzymes to the
defect in the DNA molecule? How can the P&R "know" when the information
in the DNA molecule is correct?
Since, information is a one way street (Central Dogma - Crick) DNA can
not read information from folded proteins back to the DNA molecule. So,
survival of the fittest can have part in the P&R mechanisms.
I realize that a few mutations get past the DNA`s P&R mechanisms. But
the human race is from about 200,000 years. Who is to say that 200,000
years ago the DNA`s Proofreading and Repair
machines were not far better than they are today, and due to the 2/nd
law and time, have devolved
to the much lesser perfection we find in our DNA today?
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