Asked by Biology:Repost
With regards to RFLPs, why are non-coding regions of DNA more discriminating than coding regions?
Answers
Answered by
Jin
Noncoding DNA sequences on homologous chromosomes exhibit small nucleotide differences- and introns account for this difference. RFLPs are scattered throughout genomes and it serves as a genetic marker for particular location in the genome. A single change in base-pair could mean you have the sickle-cell disease. It's that picky.
Think of it this way: noncoding sequences => extra stuff that gives you diversity, makes you unique.
Think of it this way: noncoding sequences => extra stuff that gives you diversity, makes you unique.
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