Table I.

Epididymal sperm numbers in Msh2 and Pms2 single and double mutant animals

GenotypeSperm numberPercentage of normalNumber swimming
Msh2+/− Pms2+/−1.037 × 107
 ±0.931 × 107100.0ND
Msh2−/− Pms2+/−0.970 × 107
 ±0.331 × 10793.5ND
Msh2+/− Pms2−/−0.036 × 107
 ±0.030 × 1073.51/525 (0.002%)
Msh2−/− Pms2−/−0.040 × 107
 ±0.015 × 1073.98/1,102 (0.007%)
  • Values are means ± SD.

  • ND, not determined (assumed to be greater than 95%. Normal sperm samples had to be formalin fixed in order to be counted).