'Taste sensor' genes in female butterflies vital to species' survival

[unable to retrieve full-text content]Giving the phrase "Mother knows best" a whole new meaning, researchers have identified unique genes in female butterflies that enable them to select the best host plant for their larvae -- and avoid deadly ones.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/5-vO0vjGCYM/130711172530.htm

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