A very small population is the species faces a greater threat of extinction then a larger population provide a suitable genetic explanation
Answers
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A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation. Fewer individuals in a species impose extensive inbreeding among them. ... Since the individuals fail to cope up with the environmental changes, they may become extinct.
Answer:
A small population of a species faces a greater threat of extinction than a larger population. Following are some genetic explanation for this:
(a) Inbreeding: A small population promotes inbreeding. This results in least number of variations being incorporated in subsequent generations.
(b) Genetic drift: A small population is more exposed to sudden changes in the environment. The genetic drift because of sudden changes has the potential to wipe off the entire population.
(c) Inbreeding depression: It results in negative population growth which is further detrimental to the survival of the species.