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b) disruptive selection.
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∙ 13y ago
Disruptive selection can eliminate intermediate phenotypes by favoring extreme phenotypes, leading to a bimodal distribution. This selection occurs when individuals with extreme traits have a higher fitness than those with intermediate traits, resulting in the reduction of the intermediate phenotype in the population.
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What type of selection that may eliminate intermediate phenotype is?
disruptive selection
What is Stabilizing Selection and Distruptive selection?
Stabilizing selection is a type of natural selection that favors the intermediate phenotypes in a population, leading to a decrease in genetic diversity. Disruptive selection, on the other hand, favors extreme phenotypes over intermediate ones, resulting in increased genetic variation within a population.
In an unchanging environment selection in a well adapted population is?
In an unchanging environment, selection in a well-adapted population is stabilizing selection. This type of selection favors individuals with intermediate phenotypes, maintaining the status quo of the population's genetic characteristics.
What is a common cause of stablilizing selection?
A common cause of stabilizing selection is when extreme phenotypes are selected against in a population, leading to the retention of the intermediate phenotype. This usually occurs when the intermediate phenotype is well-adapted to the current environmental conditions, resulting in its prevalence in the population.
The shift in body weight of sociable weaver birds towards an intermediate body weight is an example of selection?
Yes, the shift in body weight towards an intermediate range in sociable weaver birds can be an example of stabilizing selection. This type of selection favors individuals with traits closest to the average or intermediate value in the population, reducing extremes in the phenotypic variation.
What type of selection that may eliminate intermediate phenotype is?
disruptive 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.
What is Stabilizing Selection and Distruptive selection?
Stabilizing selection is a type of natural selection that favors the intermediate phenotypes in a population, leading to a decrease in genetic diversity. Disruptive selection, on the other hand, favors extreme phenotypes over intermediate ones, resulting in increased genetic variation within a population.
What is Type of selection that keeps the center of the curve at its current position?
Stabilizing selection is the type of selection that keeps the center of the curve at its current position. This type of selection removes extreme phenotypes from the population, favoring the intermediate phenotype.
Which type of natural selection occurs when the extreme opposites in a phenotype range are selected?
Disruptive selection occurs when the extreme phenotypes in a population are favored over intermediate phenotypes. This can lead to the divergence of a population into two distinct groups with different traits.
What modes of selection leads to a reduction in variation but no change in the mean?
Stabilizing selection is the mode of selection that can lead to a reduction in variation without changing the mean of a trait. In this type of selection, extreme phenotypes are selected against, while intermediate phenotypes are favored, resulting in a narrower range of phenotypic variation but maintaining the same mean.
What type of selection is shown when the bell curve narrows over time?
Stabilizing selection, which acts against both extreme phenotypes and favors intermediate variants. Hence the narrowing of the bell curve in the middle.
In an unchanging environment selection in a well adapted population is?
In an unchanging environment, selection in a well-adapted population is stabilizing selection. This type of selection favors individuals with intermediate phenotypes, maintaining the status quo of the population's genetic characteristics.
Type of selection that acts against individuals of an intermediate type?
disruptive
What type of selection that acts against individuals of an intermediate type?
disruptive
What is the 3 types of natural selection?
Stabilizing Selection-- The extremes are selected against.Example: height; mostly beings tend to the average height- not too many really short ones or really tall ones.Directional selection-- One extreme value is selected for.Example: speed; faster is always better so a population will tend to get faster over time.Disruptive selection-- The extremes are both selected for.This type of selection is not as common as the first two. Example: Prey-type animal with distinctive markings which the predators know will over time move away from the norm in both directions.
What is a common cause of stablilizing selection?
A common cause of stabilizing selection is when extreme phenotypes are selected against in a population, leading to the retention of the intermediate phenotype. This usually occurs when the intermediate phenotype is well-adapted to the current environmental conditions, resulting in its prevalence in the population.
