A human cell contains 23 pairs of homologous chromosomes: 22 of them are homologous non-sex chromosomes (or autosomes) and 1 homologous pair of sex chromosomes. In females, the homologous sex chromosomes are 2 Xâs; in males the X and Y chromosomes.
Salmonella is caused by the Salmonella genus of bacteria, specifically salmonella enteridica.alaria is caused by organisms of the genus Plasmodium, a parasite  that infects human red blood cells.
Salmonella infection, or salmonellosis, is sometimes referred to as Salmonella food poisoning. Salmonella are a type of bacteria that have been known to cause illness for over 125 years.The organism is named for a scientist named Daniel Elmer Salmon, who discovered the bacteria. Salmonellosis is a food-borne infection typically caused by consumption of contaminated foods. Salmonella infection occurs from consumption of raw meats and eggs, contaminated dairy foods such as unpasteurized (raw) milk, or fruits and vegetables contaminated by food handlers. 2  A Salmonella infection causes gastrointestinal symptoms, including. 3  diarrhea, 4  abdominal pain, 5  nausea, 6  vomiting.