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 was discovered in 1884 by American scientist, Dr. Daniel Salmon. Salmonella enterica are rod shaped (baccillus) bacteria. They are commonly found in raw meat, chicken, contaminated water, and even egg shells. Upon entering the host such as an animal, it stays in its intestinal tract. Three variasions of Salmonella enterica are Typhi, Enteritidis, and Typhimurium. They DNA are almost identical.