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self-incompatibility |
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self-incompatibility [¦self ‚in·kəm‚pad·ə′bil·əd·ē] (botany) Pertaining to an individual flower that cannot complete fertilization with its own pollen. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| A complete barrier of self-incompatibility, however, might invite occasional disaster if a plant does get surrounded by clones of itself. So it's no surprise that protective self-incompatibility mechanisms have evolved many times in the plant kingdom (SN: 2/19/94, p. Now, biologists at Pennsylvania State University in University Park have found the first direct evidence of a self-incompatibility gene, or S gene. |
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