Answer to Question #292468 in Evolution for Ena

Question

How does evolutionary forces (e.g. mutation,genetic, drift,gene,flow etc.)contribute biological variations of species at present?

Answer 1

These changes in relative allele frequency, called genetic drift, can either increase or decrease by chance over time. Genetic drift can also cause a new population to be genetically distinct from its original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.