Chapter 32
群体遗传学
什么是群体遗传学？
A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, ...
哈代 - 温伯格原理
Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the ...
突变，基因流和遗传漂移
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions ...
遗传漂变
Natural selection—probably the most well-known evolutionary mechanism—increases the prevalence of traits that enhance survival and ...
基因流
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
This ...
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