Sequence variability at three MHC loci was investigated by PCR, SSCP, cloning, sequencing as well as sequence analyses in 13 cetacean species.

• 本研究首次系统地调查了13个鲸类物种在适应性标记MHC基因上的序列变异及进化关系，以期为鲸类适应海洋环境与淡水环境提供一定的遗传基础。