Table 1 Segregation of plumage color and feather structure in the F2 from rusty plumage and curly feather quail lines
From: Two new plumage mutations in the Japanese quail: "curly" feather and "rusty" plumage
Phenotype | Observed (n = 531) | Expected under independent segregation | |
|---|---|---|---|
And complete penetrance (λ = 0) | And incomplete penetrance (0 < λ < 1) | ||
Wild-type | a = 326 | 9n/16 = 298.7 | 9n/16+3λn/16 = 315.6¥ |
Rusty | b = 95 | 3n/16 = 99.6 | 3n/16+λn/16 = 105.2 |
Curly | c = 79 | 3n/16 = 99.6 | 3n(1-λ)/16 = 82.7 |
Rusty and curly | d = 31 | n/16 = 33.2 | n(1-λ)/16 = 27.6 |
Goodness of fit | χ2s = 7.5£ | χ2s = 1.9$ | |