The head-tail axis, for example, determines the orientation ... A new study using stem cell-based models has shed new light on how the human embryo begins to develop, which could one day benefit ...

and a serpent's tail.] Some 200 medical charities have urged MPs to support legislation allowing the creation of animal-human embryos. In cytoplasmic hybrid embryos, all the DNA in the cell ...

During the oocyte-to-embryo transition (OET), the length of the mRNA poly(A) tail is closely linked to its translational efficiency. Regulation of the poly(A) tail is essential for selective ...