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This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

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According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

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Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..

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Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

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Control of Growth & Development

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