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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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To the Earth and Back


From The Biology of Prenatal Development.Buy Now

Script: berukuran 3 1/3 kaki atau 1 meter.

Jika kita dapat meleraikan gelungan DNA ini dalam 100 trilion sel dewasa, ia akan terbentang lebih 63 bilion batu. Ini adalah jarak pergi balik antara bulan dengan matahari sebanyak 340 kali.

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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