How to find the length of DNA fragment?

Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid are nucleic acids. #genetics #DNA #RNA #Guanine #Cytosine #thymine #Adenine #Uracil #DNAChemicalCompound #doubleHelix #BiologyMediaGenre #ScienceTVGenre #watson #crick #franklin #nucleotide #deoxyribonucleicAcid #chromosome #nucleicAcid #ribonucleicAcid #polymer #nucleotideBase #basePair #baseSequence #friedrichMiescher #rosalindFranklin #replication #helicase #leadingStrand #laggingStrand #rnaPrimase #DNAPolymerase #okazakiFragment