chromosome doubling短语¹⁴⁴⁹⁷²⁺² 基本例句 染色体加倍 The effects of hormone and colchicine on the induction, differentiation, propagation and chromosome doubling of haploid somaclonal micro- buds of indica rice were studied. 以籼稻单倍体无性系做芽为材料，研究了激素及秋水仙碱等处理对籼稻单倍体微芽的诱导、分化、扩增及加倍的影响。 dictall The lower ploidy materials, the higher chromosome doubling frequency. 倍性低的材料加倍率较高。 www.gsau.edu.cn