Suppression of chromosome fragmentation in Atmnd1 by Atspo11-1. (A-E) Atspo11-1 Atmnd1 double mutant. (F-J) Atspo11-1 single mutant. (A,F) Pachytene equivalent stage with unpaired chromosomes. (B,G) Diplotene stage showing ten condensed univalents; four nucleolus organizing chromosomes are attached together at the NOR. (C,H) Diakinesis with ten brightly stained univalent chromosomes. (D,I) Anaphase I showing 7:3 and 6:4 unequal segregation of chromosomes respectively. (E,J) Polyad. Scale Bar: 10 μm.