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. 2003 Feb 18;100(5):2526–2531. doi: 10.1073/pnas.0437998100

Table 1.

Anomalies in painted meiotic metaphases from top3β−/− spermatocytes

Genotype Meiotic cells Total no. counted Observations of the painted chromosomes
Normal, % Hypoploidy, % Hyperploidy, %
TOP3β+/+ M I 188 186 (98.9) 2 (1.1) 0 (0)
M II 99 99 (100) 0 (0) 0 (0)
top3β−/− M I 225 192 (85.3) 31 (13.8) 2 (0.9)
M II 129 111 (86.0) 10 (7.8) 8 (6.2)