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Examples
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It also told me that condos in unpopular yet cool vacation areas could be a solution, that is, he could own a few and let his wife hedge her bets with some fertile guy — some really dependable guy who was less emotional about the lavender glow of fern-filled pots and the other ethereal un-male bits of life which left my friend feeling extinct and/or spermless.
freewrite - unfinished Meg Pokrass 2011
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Perhaps some single nubile wench just waiting by the phone to be wooed by accident by a blue-blooded-yet-spermless Aussie male.
Archive 2006-01-01 2006
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Perhaps some single nubile wench just waiting by the phone to be wooed by accident by a blue-blooded-yet-spermless Aussie male.
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Using Anopheles gambiae mosquitoes -- the species primarily responsible for malaria spread in Africa -- the team created spermless males by injecting ordinary mosquito eggs with a protein that disrupts the development of their testes and prevents them from producing sperm as adults.
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LONDON Reuters - Releasing genetically modified, spermless male mosquitoes into the wild could in future help to prevent malaria transmission and reduce the chances of large outbreaks of the killer disease, British scientists said on Monday.
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The scientists said they were also encouraged to find that after mating with a spermless male, the female made no attempt to find another mate -- and so effectively missed out on the opportunity to reproduce and pass on her genes.
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In a study to see how these mosquitoes would fare when trying to get a mate, they found that female mosquitoes cannot tell if the males they mate with are fertile, or spermless and therefore unable to fertilize the females' eggs.
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In the absence of sexual prospects, parasitic male worms go spermless
PhysOrg.com - latest science and technology news stories 2009
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Parasitic males go spermless in absence of females
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