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Cancer of the developing blood cells in the bone marrow. Leukemia leads to rampant overproduction of white blood cells (leukocytes); symptoms usually include anemia, fever, enlarged liver, spleen, and/or lymph nodes.
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A collection of cloned DNA, usually from a specific organism.
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The association of genes and/or markers that lie near each other on a chromosome. Linked genes and markers tend to be inherited together.
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The place on a chromosome where a specific gene is located, a kind of address for the gene. The plural is "loci," not "locuses."
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A statistical estimate of whether two loci are likely to lie near each other on a chromosome and are therefore likely to be inherited together. A LOD score of three or more is generally taken to indicate that the two loci are close.
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A small white blood cell that plays a major role in defending the body against disease. There are two main types of lymphocytes: B cells, which make antibodies that attack bacteria and toxins, and T cells, which attack body cells themselves when they have been taken over by viruses or become cancerous.
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