Cloning

cloning These twins each descended from the symmetrical splitting of a single fertilized egg into cells that contain the identical sequence of billions of flush tinier DNA molecules. They occur around once every 250 births, which makes them about a third as common in the States as fraternal twins, who descend from both separately fertilized testis and are no more similar genetically than former(a) siblings. Identical twins are far more old(prenominal) than, say, septuplets, but there is still something a little supernatural about them, from the double-your-pleasure Doublemint girls to the ghost girls haunting the snowbound lodge in "The Shining.

" Maybe its the disorientation induced by a kind-hearted optical illusion. Maybe its the fungibility of existence suggested by two lives apparently as interchangeable as bootleg videotapes. If a twins fate is demonstrably linked to her doubles by invisible clumps of nucleic acid, does that taut the rest of us are just as prevail by our DNA? How important ...If you want to get a full essay, order it on our website: Ordercustompaper.com

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