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DNA Barcoding can be a tool to: 1. assess the age of a plant or animal. 2. distinguish among species that look alike. 3. identify undesirable animal or plant materials in processed foods. Which of the statements given above is/are correct?

UPSC · 2022 · Environment & Science & Technology
Question:
DNA Barcoding can be a tool to: 1. assess the age of a plant or animal. 2. distinguish among species that look alike. 3. identify undesirable animal or plant materials in processed foods. Which of the statements given above is/are correct?

Options

1 only
3 only
1 and 2
2 and 3
Answer: 2 and 3

Explanation:
DNA barcoding uses short genetic sequences for species identification, useful in distinguishing similar-looking species and detecting biological components in processed foods.

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