Table 3.
The χ2-test analysis of the sample crossing data. The χ2-value is defined as SUMMATION of [(Observed-Expected)2/Expected], and the critical χ2-value for α=0.05 is 3.841 (df=1) or 7.815 (df=3).
| Types of Crosses(♀ X ♂) | F1 Seedlings Phenotypes | F2 Seedlings Phenotypes | Expected Ratios | χ2-test Results(α=0.05) |
|---|---|---|---|---|
| Col X CA1 | All had CA1 leaf shape. | 53 (CA1)
22 (Col) |
3:1 | χ2-value=0.751
p-value >0.05 (df=1) |
| gl1 X Col | All had Col leaf surface. | 69 (Col)
26 (gl1) |
3:1 | χ2-value=0.284
p-value >0.05 (df=1) |
| Col X gl1 | All had Col leaf surface. | 72 (Col)
0 (gl1) |
3:1 | χ2-value=24.0
p-value <0.05 (df=1) |
| gl1 X CA1 | All had Col leaf surface and CA1 leaf shape. | 85 (CA1)
15 (Col) 11 (CA1 gl1) 17 (gl1) |
9:3:3:1 | χ2-value=22.889
p-value <0.05 (df=3) |