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Genetic drift is considered a form of evolution. If a single population is split into two isolated groups then genetic drift will result in increasing differences over time. Eventually they will become two different species, unable to interbreed even if the two groups are brought back together.

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Would evolution stop if there were no natural selection?

No, but adaptive change would be difficult. Remember, evolution is the change in allele frequency over time in a population of organisms. Mutation, genetic drift, genetic flow and other processes would continue without natural selection.


Is genetic drift of product of genetic change?

Genetic drift is a product of random sampling. Like all forms of sampling or selection, variation within the sample set is required. Thus for genetic drift to occur genetic change (mutation) is required. However, it would be an error to call genetic drift a product of genetic change.


What is the term for changes in allele frequency that that happen randomly from one generation to the next?

Genetic drift


Evolution is the gradual change in phenotype frequency of a species what process causes evolution?

Evolution is primarily driven by natural selection, which occurs when heritable traits that provide an advantage for survival and reproduction become more common in a population over time. Other processes that can cause evolution include genetic drift, gene flow, and mutations. These processes interact to shape the genetic makeup of a population and lead to changes in phenotype frequency over generations.


What is the similarity between natural selection and genetic drift?

No. Genetic mutations lead to changes in the gene. This results in a (possible) new allele. Genetic drift is the change in frequency of an allele in the population due to chance. The smaller the population the bigger the chance on genetic drift (like it is more likely to coin flip 10 heads in a row then 1000 heads) while on the other hand the bigger the population the bigger the chance new alleles will be created by mutations.

Related Questions

In evolution is genetic drift adaptive maladaptive both or neither?

my notes from my class say maladaptive....


What small genetic change such as a single mutation may result in?

genetic drift....


A random change in a population's allele frequency?

Evolution is the change in allele frequency over time in a population of organisms. By mutation, genetic drift, gene flow and natural selection.


Would evolution stop if there were no natural selection?

No, but adaptive change would be difficult. Remember, evolution is the change in allele frequency over time in a population of organisms. Mutation, genetic drift, genetic flow and other processes would continue without natural selection.


Is genetic drift of product of genetic change?

Genetic drift is a product of random sampling. Like all forms of sampling or selection, variation within the sample set is required. Thus for genetic drift to occur genetic change (mutation) is required. However, it would be an error to call genetic drift a product of genetic change.


What is the term for changes in allele frequency that that happen randomly from one generation to the next?

Genetic drift


What is the Random change in a populations allele frequency is known?

Genetic drift is the random change in allele frequencies in a population. It is caused by chance events and has more pronounced effects in small populations where genetic diversity is lower. Over time, genetic drift can lead to the loss of certain alleles or fixation of others in a population.


What is the mechanism of evolution?

The main driving mechanism of evolution is natural selection. Though genetic drigt and gene flow can also cause evolution.


A change in a population gene pool due to a chance event?

The sudden change in the genetic make up or genetic form of an individual is called gene mutation.


Which of the following events do biologists consider a random change?

you do not provide any choices, so it is impossible to answer your question as stated.


The change in allele frequency?

Random change in allele frequency is called genetic drift.


Does genetic drift lead to evolution?

Yes. Genetic drift-- the change in allelic frequencies of a population due to chance-- can play a major role in evolution. The effects of drift are most pronounced in small, isolated populations. Drift can bring alleles to fixation very quickly in such populations, and can lead to genetic differentiation between them, possibly contributing to speciation.