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Birth weight in human babies is one good example. Too small and babies lose heat rapidly and are also prone to infectious disease. Too large and they endanger themselves and their mothers by the great difficulty they have passing through the birth canal. So, a small range of birth weights have been selected for and this remains stabilized by the constraints listed above.
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What is the type of natural selection that favors intermediate phenotypes?
When natural selection favors the intermediate version of a characteristic, it is referred to as stabilizing selection. It is the opposite of disruptive selection.
When individuals with an average form of a trait have the highest fitness?
Stabilizing selection
Which natural selection select against both extremes?
Stabilizing selection.
Which type of natural selection favors the average individual in a population?
That would be the Stabilizing Selection where there will me not a lot of genetic variation. The curve of the population allele frequency would be quite thin with the extreme being in the middle.
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 type of natural selection that favors intermediate phenotypes?
When natural selection favors the intermediate version of a characteristic, it is referred to as stabilizing selection. It is the opposite of disruptive selection.
When individuals with an average form of a trait have the highest fitness?
Stabilizing selection
What are the three patterns of of natural selection?
The three patterns of natural selection are directional selection, stabilizing selection, and disruptive selection. Directional selection favors individuals at one extreme of a trait distribution, stabilizing selection favors the intermediate phenotype, and disruptive selection favors individuals at both extremes of a trait distribution.
Which kind of selection eliminates extreme phenotypes?
disruptive selection
A population of mice lives near a stream The larger mice tend to live longer and over many generations the average mouse size gets larger What type of selection is this?
Directional selection
Which natural selection select against both extremes?
Stabilizing selection.
Type of selection that keeps the center of the curve at its current position?
stabilizing selection
Which type of natural selection favors average individual in a population?
It is stabilizing selection
What do stabilizing selection directional selection have in common?
They both decrease genetic variation .
When natural selection favor the intermediate version of a characteristic it is called?
stabilizing selection
What is stabilizing selection against?
It is against an extreme phenotypes arising in a population of organisms. Height in humans is under stabilizing selection so that the normally distributed height of humans, save some outliers, describes the standard Bell curve.
What do stabilizing selection and disruptive selection have in common apex?
They both decrease genetic variation
