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Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..

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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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Chromosome Mutations

Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

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Pollution in Freshwater Ecosystems

There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

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Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..