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Chromosomes X and Y and Sex Determination

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

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

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Selective Breeding

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Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..