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VanRooy, Wilhelmina; Sultana, Khalida – Teaching Science, 2010
This article describes a simple, inexpensive, easy to conduct gel-electrophoresis activity using food dyes. It is an alternative to the more expensive counterparts which require agarose gel, DNA samples, purchased chamber and Tris-borate-EDTA buffer. We suggest some learning activities for senior biology students along with comments on several…
Descriptors: Biology, Science Instruction, Science Activities, Learning Activities
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Sultana, Khalida; van Rooy, Wilhelmina – Teaching Science, 2009
Extracting DNA from fruit and vegetables provides students with hands-on opportunities to engage with a visualisation of genetic material that can later be supported by ICT and practical model making. Here is a quick, cheap and easy way to extract DNA from strawberries that avoids the mess involved in other DNA extractions, such as from dried…
Descriptors: Genetics, Food, Hands on Science, Science Experiments