Immunogenetics Immunogenetics Immunogenetics or immungenetics is the branch of medical genetics that explores the relationship between the immune system and genetics. Autoimmune diseases, such as type 1 diabetes, are complex genetic traits which result from defects in the immune system. Identification of genes defining the immune defects may identify new target genes for therapeutic approaches. Alternatively, genetic variations can also help to define the immunological pathway leading to disease. Its origin is usually attributed to Edward Jenner, who discovered in 1796 that cowpox, or vaccinia, induced protection against human smallpox. It took two centuries before the World Health Organization announced in
Brody Jenner Khloé, and Rob; and his half-sisters, Kendall and Kylie Jenner. Jenner was born in Los Angeles, California, on August 21, 1983, to reality television personality and retired Olympics champion Caitlyn Jenner (formerly Bruce Jenner) and actress Linda Thompson. He is the half-brother to Burton "Burt" and Cassandra "Casey" Jenner through Caitlyn's marriage to Chrystie Crownover, which lasted from 1972 until 1981. Jenner is the younger brother of Brandon Jenner, also a reality-television personality. After Jenner's parents divorced in 1985, Caitlyn Jenner married Kris Kardashian, the ex-wife of attorney Robert Kardashian, in 1991. Consequently, Jenner became a stepbrother of Kourtney, Kim,