<prompt> Defect in collagen formation is seen in:ScurvyHunters syndromeMarfans syndromeAll  <response>: A i.e. Scurvy Collagen show triple helixQ and is never present free inside the cytoplasmQ. Scurvy, osteogenesis imperfectaQ, Ehler - Danlos syndrome Alpo syndrome occurs dt its deficient synthesis. 