The letters DNA stand for Deoxyribonucleic acid. DNA Fingerprinting was discovered by Proffesor Sir I Geoffries. If you have a cell inside that cell is a neacleus and inside the neacleus is the genetic material. This is an enourmous long ,thin shape and that varies a little between each person.
It is a like a book written with four different letters of the alphabet and each human body is made up of six thousand million of them. If we were reading through this book and we could translate it. For example if it said Mary had a little lamb and one of these regions says Mary had a lllllllittle lamb there is a different pattern. These stutters vary in person to person and this is accidentally how he found out about DNA fingerprinting.
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