Why are the small numbers of surviving

Why are the small numbers of surviving tigers a cause of worry from the point of view of genetics?

The small number of members in a population of tigers do not allow large number of variation to occur which are essential to survival of the species. A natural calamity may cause death of all the tigers, Resulting loss of these genes. of The small number of the species, lesser number of traits which reduces the chance of adaptibility to change of environment.

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