Sex chromosome NDJ in solo males
| Male genotype | X | Y + YY | XY | XX | O | n | %NDJ | %sis |
| Z2-0198/Df | 438 | 505 | 172 | 104 | 658 | 1,877 | 56.4 | ND |
| Z2-3534/Df | 357 | 309 | 181 | 53 | 551 | 1,443 | 58.0 | ND |
| Z2-0338/Df | 472 | 478 | 199 | 76 | 720 | 1,945 | 55.1 | ND |
| Z2-0198/Z2-3534 | 94 | 105 | 58 | 14 | 132 | 403 | 54.1 | ND |
| Total solo | 1,361 | 1,397 | 610 | 247 | 2,061 | 5,676 | 55.8 | 44.7 |
| Gamete frequency (%) | 24.0 | 24.6 | 10.7 | 4.4 | 36.3 | 100 | ND | ND |
| Male genotype | X | Y + YY | XY | XX | O | n | %NDJ | %sis |
| Z2-0198/Df | 438 | 505 | 172 | 104 | 658 | 1,877 | 56.4 | ND |
| Z2-3534/Df | 357 | 309 | 181 | 53 | 551 | 1,443 | 58.0 | ND |
| Z2-0338/Df | 472 | 478 | 199 | 76 | 720 | 1,945 | 55.1 | ND |
| Z2-0198/Z2-3534 | 94 | 105 | 58 | 14 | 132 | 403 | 54.1 | ND |
| Total solo | 1,361 | 1,397 | 610 | 247 | 2,061 | 5,676 | 55.8 | 44.7 |
| Gamete frequency (%) | 24.0 | 24.6 | 10.7 | 4.4 | 36.3 | 100 | ND | ND |
+/BsYy+ males with the indicated second chromosome genotypes were crossed singly to 2-3 C(1)RM/0, y2 su(wa) wa females. Df = Df (2L)A267 (35B1; 35C1), in which the solo locus is completely deleted. n, total number of progeny scored; %sis, (percent sister chromatid NDJ/total NDJ) = 100 x (2 x XX)/((2 x XX) + XY).