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Live and let die

Live and let die

作者:冉辣苏  时间:2019-03-07 11:08:01  人气:

By Marina Chicurel GENES that help one creature live longer could hasten the death of another. A new study shows that genetic variations that confer longevity in some fruit flies often turn out to have adverse effects on flies of the opposite sex or those in a different environment. Researchers have found mutant forms of genes in flies and worms that lengthen the animals’ lifespans,