| 1. | This is attributed to the drug-resistant selective advantage of the tumour cells.
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| 2. | So geneticists had long argued that it must confer a selective advantage.
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| 3. | Some consider that submissive males gain a selective advantage by producing offspring.
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| 4. | Medea's selfish behavior gives it a selective advantage over normal genes.
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| 5. | Rather, retrons must confer some selective advantage to the host organism.
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| 6. | "Such organisms would have a tremendous selective advantage, " he said.
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| 7. | This selective advantage would supplement the major selective mechanism of differential bird predation.
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| 8. | Much remains to be understood about the selective advantages conferred upon myrmecochorous ants.
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| 9. | Living in the sunny desert, this color pattern has a large selective advantage.
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| 10. | It has been proposed that these two aspects have two natural selective advantages respectively.
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