Table 2. Size-related QTL identified in two families (CC5 and CC10) of bay scallop.
Trait | QTL name | LG | Position (cM) | Confidence interval (cM)# | Nearest marker | LOD | PVE(%) | Phenotype means | Significance | |||
f1m1 | f2m1 | f1m2 | f2m2 | |||||||||
CC5 | ||||||||||||
SL | qSL-7 | 7 | 6.8 | 4.0–8.2 | AiDD154 | 2.9† | 15.3 | 35.4 | 34.9 | 38.8 | 37.5 | *** |
SH | qSH-7 | 7 | 2.5 | 4.0–7.0 | AiEM002 | 3.1‡ | 15.8 | 34.9 | 37.7 | 34.9 | 37.7 | **** |
SW | qSW-10 | 10 | 5.0 | 0–10.1 | AiAD121 | 3.6‡ | 20.5 | 15.5 | 17.0 | 15.5 | 17.0 | **** |
TW | qTW-5 | 5 | 45.8 | 43.3–47.6 | N391 | 2.7† | 9.8 | 38.0 | 39.7 | 35.2 | 36.1 | ** |
qTW-10 | 10 | 7.4 | 0–13.3 | AiAD121 | 4.2‡ | 27.7 | 8.2 | 8.2 | 10.7 | 10.7 | **** | |
CC10 | ||||||||||||
SL | qSL-13 | 13 | 55.3 | 52.5–57.3 | AIMS003 | 2.8† | 10.2 | 35.9 | 35.9 | 38.8 | 38.8 | *** |
SH | qSH-10 | 10 | 27.6 | 25.3–30.6 | AIMS013 | 2.7† | 9.5 | 34.9 | 34.7 | 36.9 | 36.8 | ** |
TW | qTW-6 | 6 | 32.4 | 31.5–33.4 | AiAD079 | 2.6† | 8.9 | 8.4 | 8.6 | 8.9 | 10.8 | |
qTW-13 | 13 | 53.1 | 52.1–53.9 | Asd013 | 2.6† | 9.6 | 8.5 | 8.5 | 10.0 | 10.0 | * |
SL, shell length; SH, shell height; TW, total weight; PVE, percentage of phenotypic variance explained by the QTL; association between four parental genotypes (f1m1, f2m1, f1m2, f2m2) of markers nearest each QTL peak and mean phenotypic values of each trait was tested by Kruskal-Wallis analysis.
Confidence interval at 95% significance;
linkage-group-wide;
genome wide;
*P<0.1, **P<0.05, *** P<0.01, ****P<0.005, ***** P<0.001.