??? ???? ?????? ??? ?? ?????? ??? ????? ???? ???? ?? ?? ??? ? ? ???? ??? ???? ?? ??? ???? ??? ??? ???? ??? ???? ? ?????. ??????? ??? ???? ????? ??? ???? ???? ???,??? ?? ??? ????? ?? ???? ????? ??? ???? ?????. ??? ??? ?? ??? ??? ?? ??? ??? ??? ??? ????? ??? ??? ???? ???? ??????. ?? ?

Cultured ESCs show outlined traits: They may be pluripotent, able to differentiating into cells derived from all 3 germ levels; These are immortal in lifestyle and could be managed for various hundred passages in the undifferentiated condition; and so they keep a standard chromosomal composition.

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