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igor_vitrenko [27]
3 years ago
15

Which best describes how long it usually takes for speciation to occur? several generations one generation several years several

days
Biology
1 answer:
melamori03 [73]3 years ago
3 0

Answer:

Several generations

Explanation:

For a completely new species to branch out of its predecessor, a series of germline mutations are needed. Each mutation is spontaneous , random, directionless and depends on individual and environmental factors. Only favourable mutations (purely on luck) pave the way to speciation.

Thus, speciation is not a single generation phenomenon. It takes several generations to fully manifest. The phenomenon of mutation being a random event makes speciation an ever longer procedure.

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