You are currently viewing the summary.
View Full TextLog in to view the full text
AAAS login provides access to Science for AAAS members, and access to other journals in the Science family to users who have purchased individual subscriptions.
More options
Download and print this article for your personal scholarly, research, and educational use.
Buy a single issue of Science for just $15 USD.
Summary
One of the major concerns about genetically modified crops is that the transgene could escape into wild plant populations, imbuing them with greater reproductive fitness and resulting in so-called "superweeds." In his Perspective, Heritage discusses new work (Burke and Rieseberg) that takes a first step toward answering the question of whether transgenes confer a reproductive fitness advantage on host plants.