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directional selection and disruptive selection both decrease genetic variation - apex

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9y ago
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Greater Pooch

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1y ago
They both decrease genetic variation - apex
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10y ago

They are similar becaause they both lead to the evolution of a species to have a certain trait(s). Directional selection leads the animals with a particular trait to be favorable in the particular enviroment to survive and reproduce. Disruptive selection favors 2 traits which eventually leads to speciation (creation of different species). This is due to the fact if there is a bird in an enviroment with two different kinds of seeds, one large hard seed that is on the ground and another that is lodged deep inside a flower. The birds with large beaks to crush the seeds and the birds with the longest beaks to reach the seeds will survive the best and live to reproduce. This would lead to as stated above speciation as each side of the spectrum would go further and further away from eachother.

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6y ago

Aside from decreasing genetic variation they both are not normal Gaussian curves. Disruptive selection has two normal curves at either end of the distribution. Directed selection has an abnormal curve with most of the data distributed is a skewed manner from the mean of distribution.

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8y ago

they both decrease genetic variation

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11y ago

Natural Selection

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Related questions

What are the three patterns of of natural selection?

directional selection,stabilizing selection, anddisruptiveselection


The mode of natural selection in which both extremes in the range of a phenotype are favored is termed?

That would be disruptive selection.


What selection favors organisms with phenotypes that are at one extreme rlative to the average phenotype?

Tends to result in a population whose individuals have extreme traits is what? ----> it is directional selection


What do directional selection in disruptive selection have in common?

Aside from decreasing genetic variation they both are not normal Gaussian curves. Disruptive selection has two normal curves at either end of the distribution. Directed selection has an abnormal curve with most of the data distributed is a skewed manner from the mean of distribution.


What do directional selection and disruptive selection in common?

Aside from decreasing genetic variation they both are not normal Gaussian curves. Disruptive selection has two normal curves at either end of the distribution. Directed selection has an abnormal curve with most of the data distributed is a skewed manner from the mean of distribution.


The type of selection in which individuals at one end of a curve have the highest fitness is called?

Disruptive selection


The graphs of the 3 types of selection and label the average and the extremes?

There are three types of selections. The three types of selections include: disruptive selection, natural selection, and directional selection.


What is the type of selection in which individuals at one end of the distribution curve higher fitness than individuals in the middle of at the other end?

stabilizing selection


What is the difference between directional and disruptive selection?

I'm not sure what "stabilizing directional" selection is, but if you get out a bell curve graph... Stabilizing selection tends to select for individuals around the average, or mean, of a population, which technically makes the curve steeper. Directional selection shifts the average in one direction (shifts the whole curve in one direction). Disruptive selection creates two new averages, which means it splits the one curve into two, smaller, separate curves.


What do stabilizing selection and disruptive selection have in common apex?

They both decrease genetic variation


What do stabilizing selection directional selection have in common?

They both decrease genetic variation .


What do stabilization selection and disruptive selection have in common?

They both decrease genetic variation. Stabilizing selection and disruptive selection reduce genetic variation