UK Government Approves Genetically Engineered “Three-Parent” Embryos
by Jennifer Lahl and Gene Tarne
Great Britain’s Human Fertilisation and Embryology Authority (HFEA), which oversees fertility treatments and embryo research in that nation, recently approved fertility procedures that would amount to the genetic engineering of children through cloning (nuclear transfer) technology and germ-line modification, resulting in a “three-parent embryo” that would have genetic material from two mothers and one father.
Proponents of such an unprecedented step provide a therapeutic rationale to justify taking it: the fertility procedures envisioned are aimed at creating embryos free from mitochondrial defects which can give rise to serious diseases and defects after birth.
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