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Question

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)__.

A
Natural selection, new, old, gene flow, gene frequencies, founder effect
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B
Gene frequencies, old, new, natural selection, gene flow, bottle neck effect
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C
Gene frequencies, new, old, gene flow, genetic drift, founder effect
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D
Mutations, old, new, natural selection, gene flow, bottle-new effect
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Solution

The correct option is C Gene frequencies, new, old, gene flow, genetic drift, founder effect
When migration of a section of population to another place and population occurs, gene frequencies change in the original as well as in the new population. New genes/ alleles are added to the new population and these are lost from the old population. There would be a gene flow if this gene migration, happens multiple times. If the same occurs by chance, it is called genetic drift, 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 founder effect.
So, the correct option is 'Gene frequencies, new, old, gene flow, genetic drift, founder effect.'

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