TABLE 6

Fertilization and development of eggs after zona-free IVF with sperm from C57BL/6J-ChrXB6 and C57BL/6J-ChrXMSM males

MalesNo. of malesNo. of two-cell embryos obtainedaNo. of embryos culturedNo. of embryos developing to morula/ blastocyst
C57BL/6J-ChrXB63573329297 (90.3)
C57BL/6J-ChrXMSM3216214176 (82.2)
  • Numbers in parentheses are percentages.

  • a Because the number of inseminated sperm was not equal among males, the proportion of fertilization was not calculated.