Polyploid of Pacific abalone, Haliotis discus hannai Ino, was induced by blocking Polar body I with caffeine-heat shock treatments.

• 报道了用咖啡因加热休克抑制受精卵的第一极体的释放诱导皱纹盘鲍（Haliotis discus hannai Ino）多倍体的研究结果。