Physical Mapping

Physical mapping is a technique used in genetics to map the physical location of a particular gene, or a set of genes, in a genome. This is done by sequencing the genome and identifying fragments of DNA that are close together on the chromosome. This mapping technique is important as it can help determine the regulation of gene expression, which will give insights into diseases, as well as providing a basis for identifying potential drug targets. Physical mapping is also used in the development of new crop varieties and the improvement of existing varieties.