对南方玉米锈病抗病基因进行AFLP分析，以寻找更加紧密连锁的AFLP标记。
AFLP techniques were used to identify molecular markers tightly linked to the rust resistance gene.
主要组织相容性复合体（MHC）是一群紧密连锁的基因，编码主要组织相容性抗原，在脊椎动物机体的免疫应答中具有重要作用。
The major histocompatibility complex( MHC) is a group of closely-linked gene, Which code the major histocompatibility antigen and play a critical role in immune response in vertebrate animals.
目的在于：通过QTL精细定位获得与之紧密连锁的分子标记，增强育种家操作QTL能力，并为QTL的进一步克隆提供理论依据；
The objectives were to :1) acquire marks tightly linkage to IFC QTLs and enhance the capability manipulating the QTLs for breeders, and provide theory basis for further QTL cloning.
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