Fill up the blanks in the following paragraph by selecting the correct option.
When migration of a section of population to another place and population occurs, __(i)__ change in the original as well as in the new population. New genes/ alleles are added to the __(ii)__ population and these are lost from the __(iii)__ population. There would be a __(iv)__ if this gene migration, happens multiple times. If the same occurs by chance, it is called __(v)__, Sometimes the change in allele frequency is so different in the new sample of population that they become a different species. The original drifted population becomes founders and the effect is called __(vi)__.