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#23 | Sources of Variation: 1
(Zoology) > Evolution
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Related Practice Questions :
Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?
(1) Transduction
(2) Chromosomal aberrations
(3) Genetic drift
(4) Recombination
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NEET - 2015
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Many bacteria are now resistant to penicillin, because:
(1) penicillin causes gene mutations, some of which are beneficial
(2) previously resistant forms survived and reproduced better than non-resistant forms
(3) the hospital environment inhibits competition among bacteria
(4) penicillin triggers the synthesis of resistant proteins
73%
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NEET 2025 - Target Batch
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A plant population that reproduces by self - pollination is an extreme example of :
(1) the bottleneck effect
(2) the founder effect
(3) rapid gene flow
(4) assortative mating
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