Mathematical Manipulative Models: In Defense of “Beanbag Biology”
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Mathematical Manipulative Models: In Defense of “Beanbag Biology”
Mathematical manipulative models have had a long history of influence in biological research and in secondary school education, but they are frequently neglected in undergraduate biology education. By linking mathematical manipulative models in a four-step process-1) use of physical manipulatives, 2) interactive exploration of computer simulations, 3) derivation of mathematical relationships fr...
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The Mendelian was apt to compare the genetic contents of a population to a bag full of colored beans. Mutation was the exchange of one kind of bean for another. This conceptualization has been referred to as ‘‘beanbag genetics’’. Work in population and developmental genetics has shown, however, that the thinking of beanbag genetics is in many ways quite misleading. To consider genes as independ...
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It is now almost 45 years since Haldane’s ‘Defense of beanbag genetics’ appeared, and the time is ripe for an evaluation of that defence, particularly in the light of developments over the last two decades. This deliberately provocative review is divided into four parts: first, a discussion of why Haldane felt that a defence was necessary; second, a review of what his defence actually was; thir...
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ژورنال
عنوان ژورنال: CBE—Life Sciences Education
سال: 2010
ISSN: 1931-7913
DOI: 10.1187/cbe.10-03-0040