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Crossing Over and Genetic Diversity
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Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..

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Homeostasis of Organism Water Regulation

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

Darwin's Finches - Natural Selection
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This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

Human Reproduction
Human Reproduction

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

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Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..