A change in an organism's genomic sequence.

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How does mutation cause natural selection? and is it common in protists or prokaryotes?

Why is it inevitable that evolution by mutations alone should be a common cause of evolutionary change in most natural populations? And do you expect mutation-driven evolution to be more common in ...
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Are mature trees as susceptible to mutation from exposure to radiation as seedlings?

If a plant, say a ficus or a teak, as a sapling were exposed to radiation, and a tree of the same species were present at the same distance, which of the two would be more likely to mutate?
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Is it possible to make transient gene silencing by virus induced gene silencing (VIGS) in plants?

I am looking for molecular tech' which could give a transient gene silencing in plants. The objective is to not make transgenic plant, but use these tech' to silence gene of interest for a short time. ...
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Penetrance Calculation of a Spontaneous Mutation

I'm trying to estimate the penetrance of a disease in a population given a rare spontaneous mutation that confers predisposition in an autosomal dominant manner. Given that the mutation is ...
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What is TILLING?

How does TILLING (Targeting Induced Local Lesions in Genomes) work? What is needed to perform a TILLING experiment, and what kind of information can we get out of it?