We have used the temperature sensitivity of some
mec-5 alleles to show that normally recessive mutations in several mec genes strongly enhanced in a dominant fashion the
mec-5 temperature-sensitive Mec phenotype. Some of the strongest enhancers are
mec-9 mutations. Here we find that the enhancement is not allele specific. We found dominant enhancement for all 3
mec-5 alleles we tested (
u66,
u213, and
u248). Enhancement was detected as an increase in the number of
mec-9/+;
mec-5 animals that were touch insensitive at temperatures at which >99% of the
mec-5 mutant animals were touch sensitive.