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Gene Controlling Genes
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Gene Controlling Genes
name Joe
status other
grade 9-12
location NY
Question - The scientist at
http://www.sciencentral.com/articles/view.php3?type=article&article_id=218392718say
that Klotho is a minor aging gene in humans and there
are several other genes that interfer or control it eventually leading
p to a master aging gene says Cynthia Kenyon at
http://www.sciencentral.com/articles/view.php3?article_id=218392210&language=english.
My question is how do you know when one gene is being affected or
controlled by another gene and how do you find the controlling gene?
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If the product (usually an enzyme) of a gene is either over-produced or not
produced at all and the mutation causing this abnormal expression maps to a
location different from the enzyme's gene, then it is obvious that the
mutation occurred in a gene that somehow controls the enzyme gene. For an
example in bacteria, look up the "lac operon" or the Jacob and Monod model.
Jacob and Monod received the Nobel Prize in Medicine in 1965.
Ron Baker, Ph.D.
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Last
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September 2006
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