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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: alebo 1 meter.

Ak by bolo možné rozmotať všetku DNA vo vnútri 100 biliónov buniek dospelého človeka, zaberala by viac než 100 miliárd kilometrov. Je to vzdialenosť od Zeme k Slnku a späť 340-krát.

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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