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UPSC 1997: Which one of the following techniques can be used to establish the paternity of a child?
(a)Protein analysis
(b)Chromosome counting
(c)Quantitative analysis of DNA
(d)DNA finger-printing
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Not attemptedCorrect Answer: (d) DNA finger-printing
DNA fingerprinting compares highly variable short tandem-repeat regions in the child’s and alleged father’s genomes; a match establishes biological paternity with >99 % certainty. Protein analysis, chromosome counts or merely measuring DNA quantity cannot uniquely identify individuals or confirm heredity at that level of precision. ([licchavilyceum.com](https://licchavilyceum.com/upsc-civil-services-prelims-1997-solved-question-paper/?utm_source=openai))
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What is the correct answer to this UPSC 1997 Science & Technology question?▼
The correct answer is option (d): DNA finger-printing. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Biotechnology & Genetics question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 1997, GS Paper 1, as Question 63. It falls under Science & Technology > Biotechnology & Genetics.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Biotechnology & Genetics?▼
UPSC has asked 54 questions from Biotechnology & Genetics (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.