cloning These gibe each descended from the symmetrical splitting of a single fertilized egg into cells that contain the identical sequence of billions of lax tinier DNA molecules. They occur well-nigh once every 250 births, which makes them astir(predicate) a third as common in the States as fraternal twins, who descend from twain separately fertilized bollock and be no more similar genetically than other(a) siblings. Identical twins argon far more well-known(prenominal) than, say, septuplets, but there is unruffled something a little eery about them, from the double-your-pleasure Doublemint girls to the ghost girls stalk the snowbound lodge in "The Shining.
" Maybe its the disorientation generate by a gentlemans gentleman optical illusion. Maybe its the interchangeability of existence suggested by two lives apparently as common as bootleg videotapes. If a twins fate is demonstrably conjugate to her doubles by invisible clumps of nucleic acid, does that correspond the rest of us are just as dominate by our DNA? How of the essence(predicate) ...
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