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.
There are two species of Salmonella, Salmonella bongori and Salmonella enterica. Salmonella enterica is further divided into six subspecies and over 2500 serovars.Salmonellae are found worldwide in both cold-blooded and warm-blooded animals, and in the environment.Strains of Salmonella cause illnesses such as typhoid fever, paratyphoid fever, and food poisoning (Salmonellosis).ost cases of invasive nontyphoidal salmonella infection (iNTS) are caused by S Typhimurium or S Enteritidis. A new form of Salmonella Typhimurium (ST313) emerged in the southeast of the African continent 75 years ago, followed by a second wave which came out of central Africa 18 years later.