Girish Mahajan (Editor)

Genetic viability

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To be genetically viable, having a realistic chance of avoiding the problems of inbreeding, a population of plants or animals requires a certain amount of genetic diversity, and consequently a certain minimum number of members. See effective population size. The minimum is normally somewhere in the region of a hundred unrelated individuals. Where a population has become extremely small in a population bottleneck, due for example to near-extinction of the species, it may have lost its genetic viability, and if numbers recover it will be through inbreeding, possibly leaving an unhealthy population.

References

Genetic viability Wikipedia


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