基于全基因组关联分析解析玉米籽粒大小的遗传结构

渠建洲, 冯文豪, 张兴华, 徐淑兔, 薛吉全

Dissecting the genetic architecture of maize kernel size based on genome-wide association study

QU Jian-Zhou, FENG Wen-Hao, ZHANG Xing-Hua, XU Shu-Tu, XUE Ji-Quan

图1 群体连锁不平衡(LD)和群遗传结构分析 A: 横轴表示同一染色体上单核苷酸位点(SNP)之间的物理距离, 纵轴表示连锁不平衡参数r2值, 颜色条表示不同的关联群体。B: K = 1~20范围内的交叉验证误差值曲线图。

Fig. 1 Population linkage disequilibrium (LD) and population genetic structure The horizontal axis indicates the pairwise distance of SNPs within the same chromosome, and the vertical axis indicates the parameter r2 of LD. B: plot of the cross-validation error value in the range of K = 1 to 20.