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Question : Assertion: Founder effect may lead to formation of new species. Reason: Founders carry all the parental gene pool to a new location.

Answer»


Solution :When a few INDIVIDUALS or a small group of individuals from some large population invades a new or ISOLATED geographical region, these become the founders or founder members. These founders carry on a limited portion of the parental genen pool. Their gene pool may contain certain alleles in a very low frequency or may lack a few alleles. the descendants of the founder i.e,. the founder population or marginal isolates in a new area will TEND to have RATIOS similar to the founders rather than the source population. SOMETIMES they form a new species.


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