1 Usually, staph bacteria donât cause any harm. 2  However,if they get inside the body they can cause an infection. 3  When common antibiotics donât kill the staph bacteria, it means the bacteria have become resistant to those antibiotics. 4  This type of staph is called MRSA (Methicillin-Resistant Staphylococcus aureus).
A genetic marker is defined as a specific gene or DNA sequence that produces a detectable trait with a known location on a chromosome and that can be used to study family and population, identification of cells, species or individual. Introduction:
The HLA test is used to provide evidence of tissue compatibility typing of tissue recipients and donors. It is also an aid in genetic counseling and in paternity testing.escription. Human leukocyte antigen (leukocyte is the name for white blood cell, while antigen refers to a genetic marker) is a substance that is located on the surface of white blood cells. This substance plays an important role in the body's immune response.