describe any three way in which individuals with a particular trait may increase in population
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The 4 ways by which individual with a particular trait may increase in population are in following factor :
1. Natural selection :those variation which give survival advantage to an organism are selected in nature and such trait increase the population.
2.Genetic drift:it occurs due to change in gene frequency due to accumulation of particular type gene.
3.Geographical isolation :it leads to change in gene frequency leading to expression of one type traits in a geographically isolated population.
4.Migration : it leads to flow of a particular type of gene in specified population.
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