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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: o 1 metro.

Si pudiésemos desenroscar todo el ADN contenido en los 100 billones de células que tiene un adulto, se extendería por más de 100 mil millones de kilómetros. Esto es 340 veces la distancia desde la tierra hasta el sol ida y vuelta.

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
Free resources and training for educators
Buy the Biology of Prenatal Development DVD


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