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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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DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..

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This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

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Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

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Indicator Species and Endangered Species

Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

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While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..