Biology, 13.07.2020 19:01 eemorales5100

Identify which type of natural selection is described in each case below, Results in the evolution of the species:
Results in new species
Favors traits at the two extremes:
No increase in diversity
One extreme trait is favored
Diversity decreases:
Diversity increases
DONE
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Answer from: perryjarvisr1751

Results in the evolution of the species: Directional selection

Results in a new species: Disruptive selection

Favors traits at the two extreme: Disruptive selection

No increase in diversity: Stabilizing selection

One extreme trait is favored: Directional selection

Diversity decreases: Stabilizing selection

Diversity increase: Disruptive selection

Explanation:

Natural selection changes the allele frequency of a gene that produces an inheritable trait

The type of natural selection that takes place can be grouped into three categories based on their effect on allele frequencies including;

Directional selection

Stabilizing selection

Disruptive selection

In directional selection, a particular allele that has a higher fitness naturally increases its frequency in the population such. The process of directional selection is able to progress directionally so as to spread to the entire population

Stabilizing selection involves the reduction of the allele that has a cancelling effect on the desired phenotype and that can result the production of organisms with a fitness reduction. The stabilizing selection process can continue until the elimination of the deleterious allele from within the population

The disruptive selection process takes place between the the period of transition resulting in the alteration of the trait in in more directions than one.

Answer from: harvzoie

Results in the evolution of the species: Directional selection

Results in a new species: Disruptive selection

Favors traits at the two extreme: Disruptive selection

No increase in diversity: Stabilizing selection

One extreme trait is favored: Directional selection

Diversity decreases: Stabilizing selection

Diversity increase: Disruptive selection

Explanation:

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