Microbial genetics
![Bacteria are classified by their shape.](/Images/godic/202501/27/Bacterial_morphology_diagram.svg3904.png")
![Taq polymerase which is used in Polymerase Chain Reaction(PCR)](/Images/godic/202501/27/Taq3904.png")
Microbial genetics is a subject area within microbiology and genetic engineering. It studies the genetics of very small (micro) organisms; bacteria, archaea, viruses and some protozoa and fungi. This involves the study of the genotype of microbial species and also the expression system in the form of phenotypes.