The completion of the human genome a map of man's genetic constitution marks a scientific milestone which will transform biology from being a descriptive science to a predictive one. The recent rapid strides in genetic engineering and and biosciences hove always suggested that the day was not for off when biologists would start enumerating the genetic alphabets, And now that day Is finally here with scientists putting together o sort of periodic table of life from which one con look up the complete list and structure of all genes. No longer is it necessary for a biology student or a post-doctoral fellow to toil for months, frying to isolate genes; one can now easily look up with information on the internet.
Currently the complete genome sequence of over 60 species are available. Each cell contains the genetic code in the bundles coiled chromosomes. The letters of the code As, Cs,
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