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Glossary
Amniocentesis: A procedure in which a small amount of amniotic fluid is removed and analyzed to detect various genetic characteristics or lung maturity of the unborn baby.
Chorionic Villus Sampling: A procedure in which a small sample of cells are removed from the placenta where it joins the uterus. Used to test for chromosome abnormalities such as Down syndrome in the fetus.
Chorionic Villus Sampling: A procedure in which a small sample of cells are removed from the placenta where it joins the uterus. Used to test for chromosome abnormalities such as Down syndrome in the fetus.
Gene Therapy: Treatment that alters a gene. In studies of gene therapy for cancer, researchers are trying to improve the body's natural ability to fight the disease or to make the cancer cells.
Graft-Versus-Host Disease: A reaction of donated bone marrow against a patient's own tissue. Also called GVHD.
Mutation: Any change in the DNA of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Mutations can be harmful, beneficial.
Graft-Versus-Host Disease: A reaction of donated bone marrow against a patient's own tissue. Also called GVHD.
Mutation: Any change in the DNA of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Mutations can be harmful, beneficial.
