Figure 1: The most common meiotic chromosomal aberrations induced by fast neutron ((1)–(4)) and UV-B radiation ((5)–(8)). (1) Telophase I with micronucleus, (2) disturbed anaphase, (3) sticky metaphase I, (4) sticky anaphase II with two lagging chromosomes, (5) metaphase I with two unoriented chromosomes, (6) sticky anaphase I with bridges, (7) metaphase II with sticky fragment, (8) four micronuclei with sticky telophase II, (9) (a) sterile Pollen grains (colorless), and (b) fertile one (color).