reproductive system
N |
• male mice exhibit testicular morphology, weight, and histology with normal sperm morphology and motility
|
• male mice produce no offspring
|
• spermatozoa exhibit reduced ability to fertilize cumulus-free oocytes compared with wild-type sperm
• however, spermatozoa are capable of fertilizing intact cumulus-oocyte complexes or zona pellucida-free oocytes
|
cellular