Bobrow, M.2017-05-022017-05-021978http://hdl.handle.net/10539/22435Submitted for the degree of MD, University of Witwatersrand.The published works submitted in this thesis fall into three groups, covering different aspects of the study of the morphology and structure of human chromosomes. Session 1: Studies on chromosome banding and structural polymorphisms of human chromosomes. Session 2: Human gene mapping Session 3: MiscellaneousenChromosomesChromosome MappingcytologyThesis