Table 1.

Summary of genotypes of embryos from Elf5 heterozygote matings on two background strains

AgeStrainWild typeHeterozygousMutantTotal
E6.512919 (26%)36 (49%)17 (23%)73
E7.512911 (25%)24 (55%)9 (20%)44
E8.512910 (26%)22 (56%)7 (18%)39
E9.51299 (30%)15 (50%)6 (20%)*30
E10.5BALB/c7 (25%)14 (50%)7 (25%)28
E12.5BALB/c5 (26%)14 (74%)019
  • * Dead/resorbing

  • Four dead/extremely underdeveloped; two resembling E8.5, one E9.5 embryo