Employing the techniques of genetic engineering , they then introduce the hybrid genes into animal embryos, which are then reimplanted into foster mothers and carried to term, resulting in "transgenic offspring that secrete human proteins in their milk or blood.
(transgenic offspring; secrete; human proteins; L:in their milk or blood) (they; introduce; the hybrid genes; into animal embryos; T:then) (animal embryos; are reimplanted; into foster mothers; T:then) (animal embryos; carried; to term)
transgenic offspring they animal embryos animal embryos
secrete introduce are reimplanted carried
human proteins L:in their milk or blood
the hybrid genes into animal embryos T:then
into foster mothers T:then
to term