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Chapter 32

群体遗传学

Chapter 32

Population Genetics

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, …
Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the …
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions …
Natural selection—probably the most well-known evolutionary mechanism—increases the prevalence of traits that enhance survival and …
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals. This …
In recent years, it has become apparent that genomic instability is tightly related to many developmental disorders, cancers, and aging. Given that stem …
Toxoplasma gondii, the causative agent of toxoplasmosis, is an obligate intracellular protozoan pathogen. The parasite invades and replicates within …
Cervid phenotype can be placed into one of two categories: efficiency, which promotes survival over extravagant morphometric growth, and luxury, which …