Question

Select the correct statements for DNA fingerprinting.
(i) It is ELISA based technique.
(ii) It is PCR based technique.
(iii) It is used by forensic scientists.
(iv) It is based on the fingerprints of the individual.
(v) It is a test for paternity.

• A. i, ii, iii
• B. ii, iii, v
• C. i, iv, v
• D. i, iii, iv

Answer 1

The correct option is B ii, iii, v

• If DNA is present in less amount, it can be amplified using polymerase chain reaction (PCR). Thus, DNA fingerprint is based on a PCR technique.
• DNA fingerprinting is used by forensic scientists as well as in paternity tests.
• DNA fingerprinting can be done by using samples such as blood, saliva, hair.

Hence, the correct option is B.