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Contact: David Orenstein
david_orenstein@brown.edu
401-863-1862
Brown University
Caption: Flowers make certain that gamete fusion has successfully occurred before other pollen are repelled. That allows the process of fertilization to continue if the first pollen grain turns out to have been a dud.
Credit: Mike Cohea/Brown University
Usage Restrictions: With credit
Related news release: Pollination with precision: How flowers do it
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