Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

3 Billion Base Pairs per Cell


7 days

From The Biology of Prenatal Development.Buy Now

Script: 每個人類細胞 包含大約30億個 這樣的基質對。

一個細胞的脫氧核糖核酸 包含許多信息, 如果使用文字表述的話, 僅僅列出每個基質的第一個字母 就需要一百五十多萬頁!

如果從頭到尾擺出來, 一個人類細胞的脫氧核糖核酸 有3 1/3呎 或者1米長。

All ages referenced to fertilization, not last menstrual period.
See Snapshots   |   Log in to create a playlist
Cell Division
Cell Division
The Morula and Blastocyst
The Morula and Blastocyst
3 Billion Base Pairs per Cell
3 Billion Base Pairs per Cell
Amnion and Germ Layers
Amnion and Germ Layers
Early Embryonic Development
Early Embryonic Development
Human Development
Human Development
When does health begin? Find out now.
Buy the Biology of Prenatal Development DVD