Embryonic stem cells | Cell division | Khan Academy

Embryonic stem cells | Cell division | Khan Academy

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日期:2026-04-24
An overview of early development of a zygote to an embryo. Embryonic and somatic stem cells. ... Basically research is being done in all areas: 1) to make somatic stem cells become more flexible or "plastic" and see if they can be equivalent to embryonic ...看更多