One week old seed of the thale cress with embryo. (Credit: Martin Bayer / Max Planck Institute for Developmental Biology)From Science Daily:
Science Daily (Mar. 16, 2010) — In the beginning is the fertilized egg cell. Following numerous cell divisions, it then develops into a complex organism with different organs and tissues. The largely unexplained process whereby the cells simply "know" the organs into which they should later develop is an astonishing phenomenon.
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