Table 1.
Marker type | N | Marker spacing | MSE | Difference in MSE P value | |
T2 | HAPim | ||||
SNP(1) | 200 | 2 cM | 5.10 | 5.08 | 0.948 |
400 | 2 cM | 4.69 | 5.04 | 0.366 | |
200 | 0.25 cM | 2.00 | 1.24 | < 0.001** | |
400 | 0.25 cM | 1.34 | 0.92 | 0.005** | |
MST(2) | 200 | 2 cM | 2.93 | 2.77 | 0.438 |
400 | 2 cM | 1.81 | 1.44 | 0.056 | |
200 | 0.25 cM | 0.71 | 0.46 | 0.012* | |
400 | 0.25 cM | 0.49 | 0.30 | 0.033* |
* : P < 0.05, ** : P < 0.01
(1) : single nucleotide polymorphism
(2) : microsatellite
Mean square errors (MSEs) in cM2 of quantitative trait locus (QTL) location estimates obtained by the T2 and HAPim methods for various effective population sizes, marker spacings and marker types, t = 100 and the initial association was complete.