https://en.wikipedia.org/wiki/Oocyte
https://en.wikipedia.org/wiki/Embryonic_stem_cell
Induced pluripotent stem cell
https://en.wikipedia.org/wiki/Germ_cell
https://en.wikipedia.org/wiki/Ovary
Reprogramming
Meiosis
https://en.wikipedia.org/wiki/Somatic_cell
https://en.wikipedia.org/wiki/X-inactivation
https://en.wikipedia.org/wiki/Genomic_imprinting
https://en.wikipedia.org/wiki/Oocyte#Nucleus
https://en.wikipedia.org/wiki/Cell_potency#Totipotency