TABLE 2.

Nonchiasmate associations of chromosome arms in 78 PMCs of the sy10 mutant

Arm	1RS	1RL	2RS	2RL	3RS	3RL	4RS	4RL	5RS	5RL	6RS	6RL	7RS	7RL
1RS	0(0)	1(0)	4(0)	4(0)	5(0)	3(0)	4(0)	4(1)	0(0)	5(0)	2(2)	4(0)	4(1)	5(2)
1RL		1(0)	6(0)	7(0)	1(0)	4(0)	10(1)	3(0)	2(0)	5(0)	2(0)	3(0)	5(0)	3(1)
2RS			1(0)	1(0)	3(0)	6(0)	0(0)	2(1)	4(0)	6(0)	2(0)	3(0)	2(0)	3(0)
2RL				1(0)	1(0)	1(0)	7(2)	1(0)	5(0)	6(0)	2(0)	4(0)	1(0)	3(1)
3RS					3(1)	3(2)	1(0)	4(0)	1(0)	4(0)	3(0)	5(2)	2(0)	2(0)
3RL						3(0)	3(1)	5(0)	0(0)	4(0)	2(1)	4(2)	2(0)	1(0)
4RS							3(0)	1(0)	5(0)	5(1)	2(0)	8(0)	2(0)	1(0)
4RL								2(1)	2(0)	1(0)	6(1)	6(1)	0(0)	3(0)
5RS									0(0)	1(0)	2(1)	6(0)	1(0)	2(0)
5RL										1(0)	5(1)	5(0)	9(3)	2(0)
6RS											1(1)	3(1)	6(1)	2(0)
6RL												2(0)	2(0)	2(2)
7RS													3(1)	2(0)
7RL														6(2)

The numbers in parentheses indicate how many of the associations are ambiguous due to doubts about chromosome identity. Italics indicate which chromosome arms also form chiasmate associations (see Table 1). S, short arm; L, long arm.