The human body contains trillions of cells, all derived from a single cell, or zygote, made by the fusion of an egg and a sperm. That single cell contains all the genetic information needed to develop into a human, and passes identical copies of that information to each new cell as it divides into the many diverse types of cells that make up a complex organism like a human being...
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Source: http://www.medicalnewstoday.com/releases/260130.php
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08 May, 2013
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Source: http://www.medicalnewstoday.com/releases/260130.php
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