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 - Student Encyclopedia (Ages 11 and up) genus of rod-shaped bacteria. Salmonella infection (or salmonellosis) is caused by one of 1,400 strains. Common ailments caused by Salmonella infection include paratyphoid, typhoid fever, and food poisoning.