SU Biological Sciences Department
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Browsing SU Biological Sciences Department by Author "Kohlhepp, Kimberly"
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Item Investigating Polyploidy: Using Marigold Stomates & Fingernail Polish(National Association of Biology Teachers, 2002-05) Hunter, Kimberly L.; Leone, Rebecca S.; Kohlhepp, Kimberly; Hunter, Richard B.; Biological SciencesHands-on experimentation with polyploidy is a useful approach to connect research with classroom teaching. The following activity uses marigolds to explore the effects of differing chromosome number on plant cell size. Researchers have documented a correlation between plant ploidy and guard cell size, and its correlate, density (Masterson 1994). Guard cells control opening and closing of stomates on the leaf surface.