Question

why are the small numbers of surviving tigers a cause of worry from the point of view of genetics.

Answer 1

A small number of surviving tiger are a cause of worry from the point of genetics because these tigers carry the genes which have made them adapt to the particular environment during the long process of evolution.

Answer 2

Why is the small number if surviving tigers a cause of worry from the point of view of genetics?

Small populations are at risk of extinction because:

1. Lesser opportunity of finding the mate.
2. Interbreeding that leads to interbreeding depression & degeneration.
3. Increased threat to Survival because of habitat destruction & environmental changes.
4. Fewer recombinations & less variability & hence lesser adaptability to changing environment