What is antigenic shift?

Animation of selection of resistant bacteria in the body, some resistance mechanisms and how they may spread. What causes antibiotic resistance? [5], Video. Aug 28, 2024 ... Mutations in the BRCA genes raise a person's risk for breast, ovarian, and other cancers. Quick facts. Common name: Sport, break, chimera. Plants affected: Any plant. Main causes: A genetic mutation. Timing: Usually spring ... Sep 12, 2024 ... JAK2 mutations lead to health conditions, including myeloproliferative neoplasms (MPNs), a type of blood cancer. Many people with MPNs have a JAK2 mutation. Aug 8, 2024 ... This page answers questions like, is cancer genetic? Can cancer run in families? How do genetic changes cause cancer? Should I get genetic ... ... causes and presentations. Mitochondrial disease may be caused by genetic mutations in the body's nuclear DNA (the DNA found in the nucleus of cells) or by ... Mutations in the SOD1 gene are the second-most common cause of familial ALS, found in about 10-20% of cases, as well as 1-2% of sporadic ALS cases. Researchers ... Dec 5, 2017 ... Vaccarino and colleagues theorize that mutations are the result of oxidative stress caused by formation of blood vessels distributing oxygen ... Mutations in the BRAF gene can cause normal cells to become cancerous. BRAF mutations are most commonly found in melanomas, but can occur in other forms of ... May 15, 2013 ... Although genetic factors contribute to congenital heart disease, new research shows that about 10 percent of these defects are caused by genetic ...