She is best known for her pioneering work in developmental genetics , having demonstrated how genetic mutations could be introduced into the mouse germ line through genetically altered embryonic stem cells .
She is Professor of Developmental Biology and a Wellcome Trust Principal Research Fellow .
Professor is best known for Professor 's pioneering work in developmental genetics , having demonstrated how genetic mutations could be introduced into the mouse germ line through genetically altered embryonic stem cells .
She is Professor of Developmental Biology and a Wellcome Trust Principal Research Fellow .