This process consists of transplanting, or injecting, the nucleus of an adult body cell into an enucleated egg (oocyte) of another animal or person. ... They would then extract the nucleus by means of a fine needle from the eggs and put the recently vacant egg and the cloner's cells next to each other, and zap them with electricity. ... The aging of the cells is controlled by telomeres, the ends of chromosomes with repeating sequences of DNA on them, which become increasingly shorter each time the cell divides. ... Another theory of aging states that cells age through random damage to DNA...

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• Approx Pages: 9
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• Grade Level: Undergraduate