Solved UPSC CDS/OTA Question
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Q · Taxonomy Hard · 45s
DNA barcoding typically uses which mitochondrial gene in animals?
TopicTaxonomy
Question Typemultiple choice
DifficultyHard
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The COI gene provides a standardized DNA barcode for most animal taxa.
Final Answer: Option B - COI (cytochrome c oxidase subunit I)