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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: vagyis 1 méter lenne.

Ha egy felnőtt 100 billió sejtjének minden DNS molekuláját kiegyenesítenénk, azok teljes hossza több mint 101 milliárd mérföld lenne. Ez a hosszúság a Föld-Nap távolság 680-szorosa.

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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