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genetic code
The means by which the genetic information in DNA is used to control the manufacture of specific proteins in cells. The code consists of a series of triplets (see codons) of bases in DNA, from which is transcribed a complimentary sequence of codons in messenger RNA (mRNA). The sequence of these codons determines the sequence of amino acids which go to make a particular protein. Using all the triplet combinations of the four bases in DNA and mRNA gives 64 different possible codes.
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• GENETICS AND HEREDITY
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