Which of the following best defines gene flow?
the sum of all genetic traits in a population’s individuals at a given time
any movement of genes from one population to another
any movement of organisms from one environment to another
the random change in the frequency of an allele in a population
The correct answer isany movement of genes from one population to another
Gene flow usually occurs due to migration which is why alleles change, that is, the proportion of members of a population that have the same gene changes.
