Genome Sequencing

 Genome sequencing is determining the order of polymer nucleotides, or bases, in a very genome—the order of As, Cs, Gs, ANd Ts that form up an organism's polymer. The human ordering is formed from over three billion of those genetic letters. Today, polymer sequencing on an outsized scale—the scale necessary for formidable comes like sequencing a whole genome—is principally done by sophisticated machines. very much like your eye scans a sequence of letters to scan a sentence, these machines "read" a sequence of polymer bases. equencing the ordering is a very important step towards understanding it. At the terribly least, the ordering sequence can represent a valuable cutoff, serving to scientists realize genes way more simply and quickly. A ordering sequence will contain some clues regarding wherever genes square measure, although scientists square measure simply learning to interpret these clues. Scientists conjointly hope that having the ability to review the complete ordering sequence can facilitate them perceive however the ordering as a full works—how genes work along to direct the expansion, development and maintenance of a whole organism. Finally, genes account for fewer than twenty five % of the polymer within the ordering, and then knowing the complete ordering sequence can facilitate scientists study the elements of the ordering outside the genes. This includes the restrictive regions that management however genes square measure turned on AN off, in addition as long stretches of "nonsense" or "junk" DNA—so referred to as as a result of we do not nevertheless apprehend what, if something, it does.  

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