. Name the technique used for very early diagnosis of AIDS and cancer.
(a)Polymerase chain reaction
(b) X-rays
(c) CAT scan
(d) Serum and urine analysis.
Best Answer
Ans.(a)When there is very low concentration of AIDS virus present in the body of a person or there is mutation in a gene (cancer) and symptoms of these are not yet visible, the disease can be detected by amplification of their nucleic acid by polymerase chain reaction.
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