Genetic Drift


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Week 2 Discussion

Lionel Sharpe

Professor Lindsay Barone

Sanford Brown Online


First of all, Genetic Drift is a basic mechanism of evolution, so it’s a piece of evolution that is needed in order for evolution to occur. Evolution occurs with Genetic Drift, natural selection, migration and mutation; these are all involved in evolution also. As we advance into the future, different generations of people leave behind more family members and their genes than other families do. Genetic Drift is a process that doesn’t produce an adaptation randomly, so therefore it’s like an ant farm, when some child steps on it and kills a big pile; there are still some ants left behind, and the genes from those ants that were killed will carry over to the next generation. Therefore, you cannot adapt to a Genetic Drift, this will always occur and you cannot stop it. So, the changes in population with understanding of Genetic Drift, will give a full understanding to the evolutionary changes in population. The genes that are left behind, and dependents, will be the next generation of those lucky to inherit those genes and be left behind. Genetic Drift has a deep meaning, and can be explained with animals in large groups like birds, cats, dogs, people, and so forth and so on (Mrs. Spoltore). No matter what, you cannot adapt to the changes or make a halt, because this will always be an occurrence. This is splendid, and I love the meaning, you can never get used to the changes of Genetic Drift, or evolution, it’s an outstanding cycle that occurs randomly, without notice, like the lives we live today. So understanding a Genetic Drift, will help us to understand evolution, because a Genetic Drift is a basic part of it, and happens in order for evolution to occur.

Author Lionel Sharpe


Created on May 19, 2015 by Lionel Sharpe || Professor Lindsay Barone

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