embryo

Frozen in October 1992, the embryo stayed that way until February 2020 when it was adopted

Says most American procreation will begin by selecting from a range of embryos created with the parents’ DNA in a lab

Scientists have successfully created part-human, part-pig embryos by combining human stem cells and pig DNA

Dr Kathy Niakan says she is planning to modify embryos using a technique known as CRISPR-Cas90