Table 2.
Effects of the Chr 10 Ahl gene (as marked by D10Mit138) and mitochondrial origin on ABR thresholds of 3- and 6-month old N2 mice from the (A/J×CAST/Ei) F1×A/J backcross
| D10Mit138 Chr 10 Ahl | Mitochondrial origin | Number of N2 mice | ABR thresholds | Probability values Mann–Whitney | |
|---|---|---|---|---|---|
| Average | s.d. | ||||
| 3-month test age | |||||
| AA | – | 125 | 40.0 | 26.7 | <0.0001* |
| AC | – | 167 | 14.7 | 5.8 | |
| – | A/J | 135 | 30.7 | 25.4 | 0.0043* |
| – | CAST | 157 | 21.1 | 17.2 | |
| AA | A/J | 68 | 47.3 | 26.8 | 0.0002* |
| AA | CAST | 57 | 31.3 | 24.0 | |
| AC | A/J | 67 | 13.8 | 3.4 | 0.55 |
| AC | CAST | 100 | 15.7 | 6.9 | |
| 6-month test age | |||||
| AA | – | 120 | 56.1 | 28.9 | <0.0001* |
| AC | – | 161 | 17.0 | 8.7 | |
| – | A/J | 130 | 38.9 | 31.5 | 0.012* |
| – | CAST | 151 | 29.2 | 23.4 | |
| AA | A/J | 64 | 63.1 | 28.7 | 0.0005* |
| AA | CAST | 56 | 48.1 | 27.4 | |
| AC | A/J | 66 | 15.4 | 6.3 | 0.14 |
| AC | CAST | 95 | 18.1 | 9.9 | |
Denotes significant results.