تعريف saviour sibling في الإنجليزية الإنجليزية القاموس.
A child, conceived by selected IVF treatment, so as to have compatible tissue that could be used to treat an existing sick brother or sister
MPs pushed back the boundaries of science last night when they voted to allow the creation of hybrid embryos, which have a combination of human and animal DNA, as well as saviour siblings to save sick children.