1.

Describe briefly four ways in which iduvidual with particular trait may increase in population

Answer»

ural selection: Those variations which give survival advantage to an organism are selected in nature and such traits increase in population.(II) Genetic drift: It occurs due to change in GENE frequency due to accumulation of PARTICULAR type of genes.(III) Geographical isolation: It leads to change in gene frequency leading to expression of one type of traits in a geographically isolated population.(iv) Migration: It leads to flow of a particular type of gene in a specified population.



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