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Answered 2014-12-05 16:26:00

The evolutionary mechanism that increases genetic variation in a population is called the genetic drift. It occurs by random chance rather than natural selection.Ê

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A large population increases genetics variation. Mutation will also increase genetics variation.


Yes, because meiosis increases variation and results in evolutionary success.


mutations increase the amount of genetic variation in a population.


evolutionary forces is most likely to decrease variation between populations


Natural selection doesn't reduce variation. Variation is regulated by the rate of mutation.Natural selection reduces the chance of bad variation from being passed on and increases the chances for good variation to be passed on.


Natural selection determines if a specific variation increases or decreases an organism's fitness in their environment and shifts the population in favour of the beneficial variations.


In humans - there are many moral and biological problems associated with inbreeding. In animals, inbreeding reduces genetic diversity (which reduces variation and evolutionary potential), and dramatically increases the chances of disorders.


AnswerNatural selection is the mechanism put forward by Darwin as one of the two essential mechanisms for evolution, the other being random mutation (which Darwin described as inheritable variation, not knowing about genes at the time).The modern evolutionary synthesis includes genetic mutations as the mechanism which provides variations upon which natural selection can act.


increases genetic variation


The crossing of chromosomes in prophase one increases genetic variation. Or, to say it more simply, mutations increase genetic variation.


Go to the link below, it has a lot of information on variation in population.


Genetic variation allows a population to adapt to a changing environment.


ensures survival of the species and broadens the gene pool


Mutations, gene flow and sex are the primary sources of genetic variation which may lead to evolution. Without genetic variation, evolutionary change cannot operate.


Actually variation helps, because it increases diversity within the population increasing chances of survival of the population in the cases of environmental disaster, disease, etc. Some individual organisms in the population die and some live, more diversity the more likely some will live through whatever may happen.


You have to have variation in order to be able to have more successful variations, which succeed in evolutionary terms, and less successful variations which fail. If there were no variation in a species, there would be no natural selection.


Forms, Population, Measurement, Mutation are the four terms with genetic variation. Maintenance in population is also another key aspect of the variation.


When there is low genetic variation in a population the species produced are unlikely to withstand diseases.


The genetic variation of a population is a measure of how much individuals in a population differ genetically.


Reproductive variation is central to evolution. All else in evolutionary theory follows directly or indirectly from the fact that organisms reproduce with variation.



Yes, it is. If there is variation in a populations, and a sudden catastrophic event occurs, there is more of a chance that some of the individuals in the population will survive, and the population will not die out.


There is only one evolutionary theory in biology. It is the population genetics model that explains the emergence of new species as the result of reproductive variation, genetic divergence and differential reproductive success.


It increases genetic variation in organisms


if one increases.., .....so does the other....