Answers

2016-03-05T07:49:53+05:30
Genetic Drift It is the random change in the frequency of alleles (gene pair) in a population over successive generations. 

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2016-03-06T19:31:04+05:30
Real populations rarely exist under the rigid conditions of the Hardy-Weinberg Equilibrium. Instead, gene frequencies in real populations change randomly with time through genetic drift.Population Bottleneck Examples

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thanks rutvi your answer is ok ok........but not dat much helpful :\