TABLE 1.
Diminished sperm production in TB-RBP-null animalsa
| Age (mo) | Genotype | Testis wt, g | No. of spermatozoa, 106/ml |
|---|---|---|---|
| 2 | +/+ or +/− | 0.20 ± 0.03 (10) | 21.15 ± 1.76 (10) |
| −/− | 0.16 ± 0.02 (8) | 11.2 ± 4.5 (8) | |
| 3 | +/− | 0.215 ± 0.015 (2) | 28.0 ± 0 (2) |
| −/− | 0.168 ± 0.035 (4) | 16.6 ± 8.4 (4) | |
| 7 | +/− | 0.24 ± 0.04 (4) | 36.71 ± 7.59 (4) |
| −/− | 0.18 ± 0.010 (4) | 14.36 ± 3.54 (4) | |
| 9 | +/− | 0.175 ± 0.025 (2) | 37.51 ± 3.74 (2) |
| −/− | 0.18 ± 0.01 (2) | 11.9 ± 2.4 (2) |
a
Data are reported as means and standard errors of means (number of mice tested).