The use of genes for correcting genetic disorders is called?

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The use of genes for correcting genetic disorders is called

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Gene therapy. In most gene therapy studies a 'normal' gene is inserted into the genome to replace an 'abnormal' disease-causing gene. A carrier molecule called a vector must be used to deliver the therapeutic gene to the patient's target Cells.  Currently the most common vector is a virus that has been genetically altered to carry normal human Dna. Viruses have evolved a way of encapsulating and delivering their genes to human Cells in a potentially pathogenic manner. Scientists have tried to take advantage of this capability by manipulating the virus genome to remove disease-causing genes and insert therapeutic genes.