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从近几年高考命题思路上看,现代生物进化理论部分与遗传变异及种群联系紧密,常常利用新的背景材料,考查基因频率的变化特点及相关计算。研究基因频率的变化需要借助于数学方法,学生普遍感觉难度较大。下面对此进行了整理,希望能够帮助学生对此知识点的理解和应用。一、基因频率和基因型频率基因频率=该基因的总数/全部等位基
In recent years, the theory of college entrance examination from the point of view, the part of modern biological evolution theory and genetic variation and population close, often using new background material to examine changes in gene frequency characteristics and related calculations. To study the change of gene frequency needs to use mathematical methods, students generally feel more difficult. The following is a finishing, hoping to help students understand and apply this knowledge point. First, the gene frequency and genotype frequency Gene frequency = the total number of genes / all alleles