These are exciting days in biology; chromosome such functional attributes of chromosomes as research is no exception. Twenty years ago when replication, dosage compensation and cellular Caspersson and coworkers showed that meta response to DNA lesions. It is only recently that a phase chromosomes are structurally not homo molecular view of the meiotic cell division is geneous through their length, a new world was beginning to emerge: chapter ten refers to human in the offing. Application of various molecular meiosis and the next to molecular events in techniques in chromosome research has...