Practice question
Question
In a Multi-Locus Variable number tandem repeat Analysis (MLVA) for Salmonella enterica subspecies, three tandem repeats loci have been identified inside yohM gene of S. typhimurium LT2, S.typhi CT18 and S.typhi Ty2 strains. Motif lengths for the loci are 2,3 and 5 respectively. Motif AT and ATG are found to be repeated by 13 and 5 times respectively in all the strains. Motif ATGTC is repeated 13 times in S. typhimurium LT2, 15 times S.typhi CT18 and 12 times S.typhi Ty2 strains. Which locus is Variable Number Tandem Repeat (VNTR)?
Explanation
In aptitude and reasoning, quantitative reasoning dictates that ratio, percentage and series logic determine correct calculation. Therefore ATGTC is correct as it meets mathematical and logical criteria, supported by mechanistic studies and conserved across related systems.
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