Table 1. X and 4^th chromosome nondisjunction frequency.

Gamete Type
Maternal	Paternal	Wild typea	sinaA4	sinaA4/sinaDf
X;4	XY; 44	1638	234	155
X;4	0; 44	1421	302	179
X NDJb
0; 4	XY; 44	4	10	48
XX; 4	0; 44	2	21	58
4 NDJ
X; 0	XY; 44	3	8	18
X; 0	0; 44	0	4	12
X; 44	XY; 0	0	1	23
X; 44	0; 0	3	7	13
X; 4 NDJ
0; 0	XY; 44	0	5	32
XX; 44	0; 0	0	4	21
0; 44	XY; 0	0	2	12
XX; 0	0; 44	0	1	9
Total Progeny		3065	599	580
Adjusted Progenyc		3077	642	760
% X NDJ		0.4	13.4**	47.4**
% 4 NDJ		0.2	6.9**	28.2**
% nullo-X		0.3	5.3	24.2
% diplo-X		0.1	8.1	23.2
% nullo-4		0.1	3.7	14.7
% diplo-4		0.1	3.1	13.4

^a Wild type = y w; spa^pol. sina^A4 = y; sina^A4; spa^pol. sina^A4/sina^Df = y w/y; sina^A4/sina^Df; spa^pol.

^b NDJ, nondisjunction

^c Adjusted Total is calculated to adjust for inviable progeny classes (see Methods).

**P<0.001 significantly different to wild type with the number of progeny scored. Statistical test described in [40].