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Chromosomes are equivalent to very long words composed of four different letters. To detect a mutation in the chromosome of an organism (e.g., virus, bacterium or human cell), the order of the letters of this chromosome must be established and compared with that of a reference chromosome. See the definition of screening.

Term of the Week

Predictive medicine

Medicine that links medical knowledge with data to predict a patient’s potential health problems. Examples include artificial intelligence and genetics.