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Answer on Evolution Question for Sanjukta Ghosh

Question #60494
What are the evolutionary significance of genetic drift apart from fixing a mutation irrespective of adaptive value? It will be very useful if you could give four points.
(Though according to my research there is no significance apart from the one mentioned.Please reply even if there isn't an answer.)
Expert's answer
Genetic drift is the change in the frequency of a gene variant (allele) in a population due to random sampling of organisms. Along with natural selection, mutation, and migration it is one of the basic mechanisms of evolution.
Genetic drift can result in evolutionary divergence.
It can result in the loss of rare alleles and decrease the gene pool.
Genetic drift can cause a new population to be genetically distinct from its original population.

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Assignment Expert
28.06.2016 11:11

Dear Sanjukta Ghosh, please use panel for submitting new questions

Sanjukta Ghosh
25.06.2016 13:51

Why was modern synthetic theory evolved taking only Natural selection from Darwinism? Please explain pointwise.

Sanjukta Ghosh
22.06.2016 02:13

Thank you.

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