PerspectiveEvolution

Sex, Sunflowers, and Speciation

See allHide authors and affiliations

Science  29 Aug 2003:
Vol. 301, Issue 5637, pp. 1189-1190
DOI: 10.1126/science.1089292

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution

Summary

Matings between different species (interspecific hybridization) provide increased genetic variation and new gene combinations that could be a potent force in adaptive evolution and the production of new species. As Abbott explains in his Perspective, evidence for this has so far been scant, but is now provided by new work on interspecific hybridization in sunflowers ( Rieseberg et al.).