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In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..

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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..

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This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

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Birth Control and Contraception

Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..

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Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..

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Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..