Genetics sets parameters which are influenced to a greater or lesser degree 
by environmental influences.  So a clone would be shaped by his environmental 
influences, which would be likely to be more different  from the parent than 
the environmental influences that shape an identical twin.  I would therefore 
speculate that comparing identical twins to fraternal twins, who share 
similar life experiences at the same time, would probably remain a better way 
to try to separate the influences of nature and nurture than using a person 
and his clone
BTW, clones don't even share the early environmental influence of the uterus 
with their parent, which both identical and fraternal twins do.  That's why 
it's truly hard to ignore or eliminate environmental factors.
Just some thoughts in resonse to your question.

Riki Koenigsberg


Michael Sylvester wrote
...would a cloned individual go through the same behavioral
processes as the adult from which the DNA was taken?
For example,say at the age 50 an individual donates DNA and a clone
is developed. Will that cloned person go through similar crises at the age of 
6 that the adult went through when he/she was six?
Would we able to observe factors in the early onset of schizophrenia
for that particular adult schizophrenic?
And while on this subject(free associating),which would give better
and definittve answers of the role of heredity,identical twins or
cloned individuals?



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