TABLE 3.

unc-58(e665) spontaneous revertant frequencies for cep-1 mutants

unc-58(e665) background	Trial	Plates with revertants/ total plates	f(0)	Mutation frequency (revertants/gamete)	Spontaneous mutations/gamete
Wild type	1	2/40	0.95	5.52 × 10−6
	2	0/40	1	0
	3	0/40	1	0
	4	0/40	1	0
	5	1/40	0.975	2.73 × 10−6
	6	0/40	1	2.73 × 10−6
	7	1/40	0.975	0
	8	0/40	1	0	1.4 ± 1.9 × 10−6
cep-1(lg12501)	1	1/40	0.975	2.73 × 10−6
	2	0/40	1	0
	3	1/40	0.975	2.73 × 10−6
	4	0/40	1	0
	5	0/40	1	0
	6	0/40	1	0
	7	0/40	1	0
	8	0/40	1	0	0.68 ± 1.2 × 10−6
cep-1(gk138)	1	2/40	0.95	5.52 × 10−6
	2	0/40	1	0
	3	1/40	0.975	2.73 × 10−6
	4	2/40	0.95	5.52 × 10−6
	5	0/40	1	0
	6	0/40	1	0	2.3 ± 2.5 × 10−6

Calculations were made as for Table 2, except that 60-mm plates were used, yielding an estimated 9320 haploid genomes sampled per plate.