Compared to ScxCre/+ mouse, ScxCre/Cre mouse is small. The forelimb autopod of ScxCre/Cre KI neonates was locked in a dorsal flexure In vertebrates, bodily support and movement requires bones and muscles. Muscles pull and push, contract and relax – and bones respond accordingly. Taken together they form the musculoskeletal system. But, while much is...