What is DNA profiling?

DNA profiling is a technique in which the DNA sample is performed by a laboratory test that generates information about it, looking specifically for DNA, which could identify the sample source, or to be used as a base of comparison between two samples. DNA profiling can use the bottom of someone who is unknown, or DNA someone who is known and can be used in different ways, from the right to genealogy. These recurring DNA chains are not coding, which means they do not contribute to expressing the genome of the organism, but can provide valuable information about the individual because they tend to be very unique. For this reason, DNA profiling is sometimes referred to as DNA fingerprints referring to the idea that finding a precise match between ST in two different people would be very rare.

Several techniques can be used to extract DNA and look at areas of interest. DNA profiling is usualE leans on a reference sample, such as the known DNA from the missing person or the DNA from the crime scene, while the comparative sample is taken from the interest person to look for a match. DNA profiling is also sometimes used to seek hints that two people are relatives, because people who are relatives can share some pins in their DNA, although the lack of convincing match does not necessarily mean that two people are not related.

The profiling process is performed by a technician that has been trained to work with a number of samples and sought specific areas for comparison. DNA profiling can also explore similar alleles, genome areas that code specific proteins, although this process can be less reliable because many people share alleles.

DNA TJAK is sometimes known, debuted in the 80s and at the end of the 90s. It was in extensive use. A number of misconceptions have also appeared about the process: for example, fans of crimes may be under the impression that DNA profiling can be done within minutes and DNA samplesThey always work easily. In fact, some samples may be very difficult to work and the DNA profiling process can take weeks or months, especially in a busy laboratory. The process is also not completely infallible, as the samples can be damaged or contaminated, resulting in false negatives or positives.