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n. 货币供应量
The upshot was that in mosquitoes fed on the mice carrying the mammalian parasite, the SM1 gene had no advantage.
ECONOMIST: Recruiting mosquitoes to fight malaria
So, not only is SM1 protective, it has a clear evolutionary advantage over the wild type, at least in the cosseted conditions of the laboratory.
One is why SM1 did not sweep the population completely.
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