Evolution and development: anchors away! |
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| Authors: | Haag Eric S True John R |
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| Institution: | Department of Biology, University of Maryland, College Park, MD, USA. |
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| Abstract: | Developmental mechanisms can evolve even when the trait they produce does not, and the nematode vulva has become a model organ for detecting such "developmental system drift". A new study reveals what may be the very earliest stages of this process by experimentally modifying key vulval signaling pathways in different species of Caenorhabditis, and carefully quantifying the results. |
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