Answer:
<em>If the Tamiflu-resistance gene involves a cost, it will experience directional selection leading to reduction in its frequency.</em>
Explanation:
The new virus will be resistant to Tamiflu. The Tamiflu resistance gene will become common in the environment due to directional selection. Directional selection can be described as a condition in which one phenotype is favoured such that the phenotype becomes abundant in an area and hence the allele frequency of the area changes. This occurs because that phenotype is better adapted to survive in an environment.
It is a natural acceptable fast process of cleaning contaminated materials in the environment. It is cost effective in cleaning hazardous wastes compared to other methods.This method can easily be done without disrupting normal activities. Residues for this kind of treatment are usually harmless products.
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The type of selection which is illustrated by these two graphs is a
Stabilizing Selection
Among the different types of Natural Selection.
Stabilizing Selection is the one that happened to the parrot population in the rainforest in Costa Rica. This is characterized by the selection against the extremes of an attribute and reinforcement of the mean, that's why this type of selection is also called Selection towards the mean.
In this case, there was selection against the parrots with colored feathers other than green that didn't help them to camouflage in the rainforest.
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By polishing it, it becomes more clear which becomes so Clear that you could see your reflection.