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The Endowment for Human Development
The Endowment for Human Development
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To the Earth and Back


From The Biology of Prenatal Development.Buy Now

Script: oder 1 Meter.

Wenn wir die gesamte DNS in den 100 Billionen Zellen eines Erwachsenen aufrollen würden, würde dieses sich über 63 Milliarden Meilen erstrecken. Diese Distanz reicht von der Erde zur Sonne und zurück, 340 mal.

All ages referenced to fertilization, not last menstrual period.
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Ready for Birth
Ready for Birth
DNA
DNA
To the Earth and Back
To the Earth and Back
Fertilization 1
Fertilization 1
Fertilization 2
Fertilization 2
Cell Division
Cell Division
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