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Why are the small numbers of surviving tigers a cause of worry from the point of view of genetics?
 
a. The process by which parents pass on their genes to their children is known as
.
 
b. The loss of genetic variability increases as the
.
 
c. When the tiger population decreases, the
 of tigers gets smaller, and the species becomes extinct.
Answer variants:
number of surviving tigers decreases
genetic pool
genetics