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This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..

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Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..

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Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..

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Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

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Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..