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Which of the following statements are co...

Which of the following statements are correct ?
1. PCR is now routinely used to detect HIV in suspected AIDS patients.
2. A single - stranded DNA or RNA , tagged with a radioactive molecule (probe) is allowed to hybridize to its complementary DNA in a clone of cells followed by detection using autoradiography.
3. ElISA is based on the principle of antigen - antibody interaction.
4. Today transgenic models exist for many human diseases such as cancer , cystic fibrosis , rheumatoid arthritis, and Alzheimer's

A

1 and 3

B

2 and 4

C

1,3 and 4

D

1,2,3 and 4

Text Solution

Verified by Experts

The correct Answer is:
D
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