| 11. | For the research, she isolated a rabies type of virus which produced mutant strains interfering with viral growth.
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| 12. | Even though 30 animals are sampled, the mutant strain makes up the majority of PRRSV in all samples.
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| 13. | Villains of all mutant strains plague the skies, but bounty hunters called cowboys track them down for cash.
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| 14. | Too little could create a mutant strain of HIV, saddling young patients with an illness that resists future treatment.
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| 15. | First, as the use of antibiotics has become common, mutant strains of resistant bacteria have become more common, threatening public health.
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| 16. | However, the mutant strains could be made functional again by using proflavin to insert or delete a total of three nucleotides.
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| 17. | The dream of turning the naturally mutant strain into a safe, effective vaccine was shattered when the donor developed AIDS in 1999.
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| 18. | By mating the unusual mouse with littermates carrying a recessive gene for the same trait, Jackson began developing genetically pure mutant strains.
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| 19. | The answer is B _ as in, Jerry Springer, please B gone, and take your mutant strain of trash-talk TV with you.
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| 20. | "We remain patently opposed to mutant strains " of colonial era domination, Mugabe told lawmakers . " Colonizers for decades trampled on us.
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