allele frequencies短语¹³¹⁶²⁰⁺³ 基本例句 等位基因频率 Large fluctuations in effective population size usually translate into changes in the level of genetic variability and distribution of allele frequencies. 利用微卫星标记确定有效种群大小、检测有效种群大小的波动可以促使我们正确理解种群遗传结构动态和种群进化过程； cnki