Table 2.

Rescue of 1ch5 neurons in ato¹ mutant embryos by ato/sc chimeras

Line	Embryo	No. of ch organs in hemisegment				No. of embryos	No. of lines
		A1	A2	A3	A4
1	Wild type	5	5	5	5
2	ato1/ato1	0.4  ±  0.1	0.4  ±  0.1	0.7  ±  0.1	0.4  ±  0.1	14	2
3	ato	4.1  ±  0.6	0.6  ±  0.2	5.0  ±  0.2	1.6  ±  0.4	12	2
4	sc-bHLH(ato)	4.2  ±  0.6	0.5  ±  0.2	4.2  ±  0.5	0.8  ±  0.3	6	3
5	sc-b(ato)	2.6  ±  0.3	1.4  ±  0.4	3.4  ±  0.4	1.1  ±  0.3	14	2
6	sc	0.7  ±  0.2	0.3  ±  0.1	0.8  ±  0.2	0.7  ±  0.2	15	3

The number (mean ± SEM) of ch organs in ato¹ mutant and ato¹ mutants expressing ato/sc chimeras is given for each of the first four abdominal hemisegments. The last columns indicate the number of embryos and the number of lines scored.