Identification of species using genetic fingerprinting.. A variation in the sequence of the genetic code in the intron area is represented by length and location

It is known that genes that transmit genetic messages from one generation to another and direct the activity of each living cell are giant particles that resemble what is called high-strung DNA called DNA and contains all genetic traits.
The genetic information of any cell is in the sequencing of the genetic code (the sequence of the four nitrogen information given by God to life, namely adenine, guanine, cytosine and thiamine), in which the genetic material is in the form of words and sentences that store genetic information in a preserved archive responsible for the individual's life.
Alec Jeffers at the University of Leicester in the United Kingdom discovered a difference in the sequence of the genetic code in the Intron region, represented in height and location. These differences were called "genetic fingerprinting" and due to the inability to distinguish strains of a single species of fish, Use of genetic code to distinguish fish breeds.
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