Examining genetic variation with and between populations to gain insight into the evolutionary history of the populations and species as a whole.

Examining genetic variation with and between populations to gain insight into the evolutionary history of the populations and species as a whole.

• A. Population genetics
• B. Phylogenetics
• C. Cellular and molecular genetics
• D. Ethology

Answer: (A)

Examining genetic variation within and between populations to learn how those groups have evolved is the realm of population genetics. This field asks how forces like mutation, migration, genetic drift, and natural selection change allele frequencies over time and how those changes differ from one population to another. By looking at how common certain alleles are in different groups, we can infer historical events such as migrations, bottlenecks, admixture, and local adaptation, building a picture of the evolutionary history of populations and species. This differs from phylogenetics, which focuses on reconstructing relationships among species or lineages, cellular and molecular genetics, which studies gene function and cellular processes, and ethology, which examines behavior.

Examining genetic variation within and between populations to learn how those groups have evolved is the realm of population genetics. This field asks how forces like mutation, migration, genetic drift, and natural selection change allele frequencies over time and how those changes differ from one population to another. By looking at how common certain alleles are in different groups, we can infer historical events such as migrations, bottlenecks, admixture, and local adaptation, building a picture of the evolutionary history of populations and species. This differs from phylogenetics, which focuses on reconstructing relationships among species or lineages, cellular and molecular genetics, which studies gene function and cellular processes, and ethology, which examines behavior.