Gene flow and its role in evolution:
Variation can be identified in populations. The genetic variation found within populations involves the frequency of particular alleles within that population.
A gene pool is what describes the alleles for a particular trait in a population (as opposed to genotype which describes the alleles for a particular trait within an individual).
Gene flow involves the movement of individuals from one population to another (one environment to another) which contributes to diversity. Emigration or moving out might cause the loss of particular alleles.
Immigration or moving in might cause the introduction of new alleles into the population.
Gene flow is a major cause of the changes of gene frequencies within a population which has played a role in evolution itself.
Introducing a new genetic trait into a population can increase the chance of survival of individuals who possess and inherit the trait.
This new variation can create the overall result of increased fitness of the population to the current or future environment.
In terms of evolution, this means that the population develops a change in characteristics that allows them to survive in the changed environment.
Variation can be identified in populations. The genetic variation found within populations involves the frequency of particular alleles within that population.
A gene pool is what describes the alleles for a particular trait in a population (as opposed to genotype which describes the alleles for a particular trait within an individual).
Gene flow involves the movement of individuals from one population to another (one environment to another) which contributes to diversity. Emigration or moving out might cause the loss of particular alleles.
Immigration or moving in might cause the introduction of new alleles into the population.
Gene flow is a major cause of the changes of gene frequencies within a population which has played a role in evolution itself.
Introducing a new genetic trait into a population can increase the chance of survival of individuals who possess and inherit the trait.
This new variation can create the overall result of increased fitness of the population to the current or future environment.
In terms of evolution, this means that the population develops a change in characteristics that allows them to survive in the changed environment.