Using 81 single-primers and 14 double-primers, T-type CMS (cytoplasmic male sterile) line 75-3369 A and its maintainer 75-3369B were studied by means of RAPD.

• 利用RAPD技术对小麦T型细胞质雄性不育系75－3369A和相应保持系75－3369B的线粒体DNA（mtDNA）进行了81个单引物和14组双引物的多态性研究。