【摘要】 杂种优势是生物界的一种普遍现象,可以大幅度提高作物产量和改良作物品质,具有巨大的商用价值。杂种优势遗传基础的研究一直是近百年来遗传和育种学家研究的热点和难点问题。综述了杂种优势遗传基础的多种假说的基本观点,并列举了部分学说的部分证据。更多还原

【Abstract】 Heterosis is an universal phenomena in biology,which could increase the production and improve the quality of crops,and had enormously commercial value.The genetic basis of heterosis had been the hotspot and difficulty in research for genetic and breeding scientists during the past near 100 years.The hypothesis were reviewed in this article,and some evidence of some theories were provided.更多还原