<prompt> Absence of clavicle is a feature of:Cleidocranial dysplasiaMultiple epiphyseal dysplasiaFibrous dysplasiaCranio-Metaphyseal dysplasia  <response>: a. Cleidocranial dysplasiaRef: Nelsons 20e p 618-619Cleidocranial dysostosis, also called cleidocranial dysplasia or mutational dysostosis, is a hereditary congenital disorder, where there is delayed ossification of midline structures; Absent clavicles and delayed dentition. 