The set of alleles that is present in each chromosome is called the MHC haplotype. In humans, each HLA allele is named with a number. For instance, for a given individual, his haplotype might be HLA-A2, HLA-B5, HLA-DR3, etc...ach MHC molecule on the cell surface displays a molecular fraction of a protein, called epitope. The presented antigen can be either 'self' or 'nonself', thus preventing an organism `s immune system targeting its own cells.
The typical cost of tattoos can start anywhere from Â£40 to Â£100 for the tattoo artistâs rate per hour. What this means is that the longer your tattooist has to work on your tattoo, the higher the total cost will become.
How much is it? On average, a henna tattoo can cost anywhere from $20 to as much as $200 or more for a complex design. If you want to hire a henna tattoo artist for an event, such as a bridal party or birthday occasion, then most will charge by the hour, ranging anywhere from $65 to $115 per hour.