A medical correction of a gene or genes that are defective and producing, or are capable or producing, disease. A procedure that alters genes to produce a desired non-medical result Germ Line Genetic Procedures Alterations to genes that are permanently encoded in the reproductive cells. A procedure in which a woman's eggs are removed from her body, fertilized outside using sperm from her husband or another donor, and then transferred back to her body. Oocyte Egg Somatic Genetic Procedures Treatments that correct genetic problems in a given individual without affecting the reproductive cells. Stem cells Versatile cells, sometimes described as primative, or primordal, that are capable of reproducing themselves and also of growing into various kinds of body tissue.
Some stem cells are pluripotent, capable of producing several kinds of tissue.
They can also be totipotent, capable of producing a full human being. Zona pellucida Outer coating of the fertilized egg and embryo before it implants in the uterus. Zygote Fertilized egg. A procedure that begins with in vitro fertilization, followed by transfer of embryos to a fallopian tube by loading them into a catheter. Adventures in the New World of Reproductive Technology , Lori.