TABLE 1

Severe reduction in crossover frequency in the msh-5(me23) mutant

Genotype of parentNo. of recombinantsNo. of progeny scoredMap distance (cM)a
+/(msh-5 or +); dpy-3 unc-3/++520165838.4
msh-5/msh-5; dpy-3 unc-3/++1 hermaphroditeb139 hermaphrodite0.5b
0 male109 male
  • a Map distances were calculated as described in materials and methods.

  • b The one apparent Dpy non-Unc recombinant obtained produced no eggs, so its genotype could not be verified; it is possible that it was actually not a recombinant, but rather an aneuploid.