> The most likely explanation however is that since they are weaker, they'll be progressively selected out and disappear. Somewhere else I read the modified on

> The most likely explanation however is that since they are weaker, they'll be progressively selected out and disappear. Somewhere else I read the modified ones passing on their weakness is considered a feature and not a bug. But 18 months is a whole lot of generations of mosquitoes, shouldn't it have disappeared already by now?