Héctor Gadsden on Muck Rack

Héctor Gadsden

As seen in: Nature
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Articles

Exceptional parallelisms characterize the evolutionary transition to live birth in phrynosomatid lizards - Nature Communications

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By Mark Olson, Jorge H. Valdez-Villavicencio, Saúl F. Domínguez-Guerrero, Norma L. Manríquez-Morán, Diego M. Arenas-Moreno, Adriana Benítez-Villaseñor, Héctor Gadsden, Rafael A. Lara-Reséndiz, Carlos A. Maciel-Mata, Francisco J. Muñoz-Nolasco, Rufino Santos-Bibiano
| Nature
Abstract Viviparity, an innovation enhancing maternal control over developing embryos, has evolved >150 times in vertebrates, and has been proposed as an adaptation to inhabit cold habitats. Yet, the behavioral, physiological, morphological, and life history features associated with live-bearing remain unclear. Here, we capitalize on repeated origins of viviparity in phrynosomatid lizards to tease apart the phenotypic patterns associated with this innovation.
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