Complex sentence: Jan Gunnar Faye Mohr, Norwegian-Danish physician and geneticist, known for his discovery of the first cases of autosomal genetic linkage in man, between the Lutheran blood groups and the ABH-secretor system, and between these and the hereditary disease myotonic dystrophy.
Split into simpler sentences: Jan Gunnar Faye Mohr, Norwegian-Danish physician and geneticist. Jan Mohr is known for his discovery of the first cases of autosomal genetic linkage in man, between the Lutheran blood groups and the ABH-secretor system, and between these and the hereditary disease myotonic dystrophy.