The most common form of gene therapy involves inserting a normal gene into cells that contain a defective version of the gene.In order to use gene therapy to prevent a man from passing a defective gene on to future generations,you should try to insert normal copies of the gene into

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Germ-line cells are cells that give rise to eggs or sperm, which carry genetic information to future generations. Therefore, inserting normal copies of the gene into germ-line cells would prevent the man from passing the defective gene on to his offspring. Inserting normal genes into somatic cells, such as blood cells or bone marrow cells, would only affect the individual and not his future offspring. Inserting normal genes into somatic cells in the testes would not prevent the transmission of the defective gene to offspring because these cells do not give rise to sperm.

The Most Common Form of Gene Therapy Involves Inserting a Normal