Question Detail

ZOO 102 Practice Questions ZOO 102 4 Objective Question

Question

20. DNA Barcoding uses which gene region in animals to rapidly identify an unknown species?
Options
A 16S rRNA
B COI (cytochrome c oxidase I)
Correct Answer
C 18S rRNA
D rbcL
Correct Answer

Option B is the correct answer.

Detailed Explanation

The standardized standard animal DNA barcode region is a ~648 bp fragment of the mitochondrial Cytochrome c Oxidase subunit I (COI) gene.

Hint

Mitochondrial gene COI serves as the standard barcode marker for animals.

Question Info