Which term refers to the combined genetic information of members of a population?

The term that refers to the combined genetic information of members of a population is "gene pool." A gene pool encompasses all the different alleles present in a particular population, representing the entire genetic diversity available for inheritance within that group. It is crucial for understanding the genetic structure of populations and how evolution may occur through mechanisms such as natural selection, mutations, and genetic drift.

In contrast, the other terms relate to different concepts in population genetics. Genetic drift refers to random changes in allele frequencies within a population, often impacting small populations more significantly. Gene flow is the transfer of genetic material between populations, which can alter allele frequencies and increase genetic diversity. Allele frequency is a measure of how common a particular allele is within a population but does not capture the entire genetic information present in that population like the gene pool does.