What is this quote trying to say, "Embryonic stem cells hold the potential of curing a variety of diseases...

Question

...since they can become any kind of tissue and can replicate themselves in the laboratory."

Answer 1

By nature these embryonic cells are "totipotent" , ie given the correct environment they can multiply to form any type of cells and so can be used as a replacement for any type of tissue.De novo production of any tissue is possible.

Answer 2

Embryonic stem cells can be used to artificially make different organs because they have the potential to become different organs which would save a lot of people's life who die before they get an organ transplant.