Table 2. Allele frequencies.

Loci with one allele	275
Loci with two alleles	62
Loci with three allele	17
Loci with four alleles	6
Loci with five allele	1
Loci with seven alleles	1
Average allele frequency	1.34
Average allele freq, RP and tRS	1.10
Average allele freq, ENU cloned	1.95

RP, ribosomal protein genes; tRS, tRNA synthase genes; ENU cloned, genes identified as the cause of ENU-induced mutants.