GlossaryGenetic risk factor: Any change in the gene sequence that increases the chances of the individual developing the disease.
Prenatal testing: Prenatal testing is carried out during pregnancy. This can be done to test the general health of the fetus or to test for genetic disorders.
Atrophy: Wasting away of cells, primarily due to degeneration of cells.
Linkage analysis: A study that is carried out to ascertain the linkage of genes.
Apoptosis: Programmed cell death.