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What phenotype frequency in a population changes after each generation which would most likely be causing this?
Wiki User
∙ 8y ago
Competition between organisms would most likely cause the phenotype frequency in a population that changes each generation.
Wiki User
∙ 8y ago
Lamar Fudge
Genetic drift, natural selection, and gene flow are factors that can cause changes in phenotype frequency within a population after each generation. These changes occur as a result of random chance events, differential survival and reproduction of individuals, and the introduction of new genetic material from outside sources, respectively.
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what causes the Phenotype frequency in a population to change after each generation. Which would most likely be causing this?
competition between organisms
The phenotype frequency in a population changes after each generation Which would most likely be causing this?
Competition between organisms (Apex)
What phenotype frequency in a population changes after each generation. What would most likely be causing this?
In population genetics the frequency of individual alleles remain constant as long as alleles are neither selected for or against. Phenotypic frequency varies based on the relative frequency of the various dominant and recessive alleles in the population. Further, if selection is taking place phenotype will tend to change in the direction of the allele selected. If the population is small enough there is also the factor of genetic drift, which can change phenotype in one direction within a few generations. Populations are certainly being acted on and alleles selected whether they are obvious phenotypically...if these traits are linked with ones that are visually apparent the change will manifest phenotypically but the change occurs because of linkage to the selected trait as opposed to by selection for the phenotypically obvious one. Some traits give an advantage.
The phenotype in a population changes after each generation which would most likely be causing this?
organisms compete for shelter
What are the occasional mistakes in copying DNA called and why are they significant for evolutionary change?
Mutations. They, when beneficial, provide variations of organisms genomes for natural selection. Beneficial mutations may confer a slight reproductive advantage to the organism so that genes " promoted " into the next generation change the allele frequency of the population causing evolution.
What 3 types of Selection pressures that affect a population structure?
The 3 types of selection pressure on a population: 1) "Stabilizing selection" = intermediate phenotypes are favored and extremes on both ends are eliminated. 2)"Directional selection" = is a mode of natural selection in which a single phenotype is favored, causing the allele frequency to continuously shift in one direction. 3) "Disruptive selection/ Diversifying selection" = describes changes in population genetics in which extreme values for a trait are favored over intermediate values
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Genetic variation, variation in alleles of genes, occurs both within and among populations. Genetic variation is important because it provides the "raw material" for natural selection.
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