Table II. Optn470T mice further backcrossed to B6 background were born at the expected Mendelian ratios.
WT/Optn470T x WT/Optn470T | WT/WT | WT/Optn470T | Optn470T/Optn470T |
---|---|---|---|
expected frequency | 25% | 50% | 25% |
adult mice (number) | 14 | 38 | 15 |
observed frequency of adult mice | 21% | 57% | 22% |