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looks at how genes work, exceptions to Mendel's rules, how DNA gets replicated, genes and disease, current research and recent discoveries, and how applications of genetic research (biotechnology) are being used in agriculture, health, and pharmacogenetics (medicine) to change our world for the better. (National Institute of General Medical Sciences, National Institutes of Health)
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Mendel's observations about how inheritance works in pea plants are the foundation on which 20th century genetics was built. In the first third of the 20th century, scientists discovered an exception to Mendelian genetics involving how genes on the human sex chromosomes, X and Y, are inherited. |
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DNA consists of two long, twisted chains... |
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