| Type | MGI:General | Description | at 9 months of age, the number of mature spermatozoa in mutant seminiferous tubles is reduced by 25% relative to wild-type mice mutant testis sections contain only 20.4 ± 3.3 spermatozoon-containing tubuli per 100 tubuli vs 36.3 ± 5.4 in wild-type testis sections |
