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April 18, 2011 /  Nivea

Successful Blueprints Are Recycled by Evolution

During the development of an embryo, a large number of different, specialised cell-types arise from the fertilised egg. The genetic information is identical in all cells of an organism. Different properties of cells arise because the activity of genes is controlled and regulated by so called transcription factors. By switching genes on or off, the body makes muscle cells, bone cells, liver cells and many more.

via Successful Blueprints Are Recycled by Evolution, Study Suggests

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