Nowadays, since the bioinformatics and genetic science are making rapid progresses, the Quantitative Trait Loci (QTL) grows into a hot researching area.

• 一方面,随着后基因时代的到来和生物信息的迅速发展,数量性状基因(Quantitative Trait Loci,简称QTL)定位领域发展迅速。