Table I.

Development of oocytes injected with round spermatids from wild-type and Tdrd5−/− mice

GenotypeNo. of injected oocytesNo. of two-cellNo. of ETNo. of progeny
+/+105104 (99.0%)a10416 (15.4%)b
−/−153151 (98.7%)a15125 (16.6%)b
  • Four independent experiments using two males were performed for each genotype. No statistically significant difference was found by Fisher’s exact probability test. ET, embryo transfer.

  • a P = 1.000.

  • b P = 0.863.