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 enterica serovar Typhimurium (S. typhimurium) causes enteric disease in humans. It is a food-and water-borne pathogen that can be easily disseminated in a population: for instance outbreaks of salmonellosis can occur by contamination of salad.