Original sentence: Opponents of ESC research hold the opinion that any embryo has the potential to become a human, therefore destroying it is murder and the embryo must be protected under the same ethical view as a developed human being.Scientists in the field argue that the 5-day old mass of cells is too young to achieve personhood or that the embryo, if donated from an IVF clinic (which is where labs typically acquire embryos from), would otherwise go to medical waste anyway
Edited sentence: Opponents of ESC research counter that any embryo has the potential to become a human, therefore destroying it is murder and the embryo must be protected under the same ethical view as a developed human being.Some people argue that the 5-day old mass of cells is too young to achieve personhood or that the embryo, if donated from an IVF clinic (which is where labs typically acquire embryos from), would otherwise go to medical waste anyway