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What does it tell research Scientist if Genetic Variants are more common than anyone thought?

They are studying genes to better understand disease. Are mutations the cause of disease? Some mutations benefit humanity and others have bad consequences.
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http://www.sciencedaily.com/releases/2012/05/120518132832.htm

2375 day(s) ago

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Kravenhead
That's the thing about mutation... it's both good and bad.
Bad because it can be the root cause of disease.
Good because it allows us to adapt to changes.
Although, the good isn't as meaningful to humans as it used to be.
Humans no longer "shun" the weak, we nurture them.
In the wild, when environmental changes occur, some genetic variations are better suited to that change and are naturally selected within the group for breeding. While the others that are struggling due to the change are ignored. That's what evolution is... selective breeding.
In other words, if one thinks of mutations as imperfections, then it's imperfection that ensures the survival of a species.
When humans became capable of treating the sick, so that they can go on with their lives, raise families etc., we made it an imperative that we understand, and learn to control genetics.
If we don't, the imperfection that worked in our favor will work against us.
So, as dangerous as controlling genetics is, we have no other choice.
It's either that, or let the weak one starve in the nest.

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