Stem cell embryo model grows yolk sac without hypoblasts or gene editing

For the first time, a stem cell model has produced a structure resembling an early human embryo with a yolk-sac-like ...
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Stem cell model of human embryo produces yolk sac without hypoblasts or genetic trickery

For the first time, a stem cell model has produced a structure resembling an early human embryo with a yolk-sac-like structure, from a single starting stem cell population and without direct genetic ...