Biotechnology- Principles and Processes Question 29
29. A single strand of nucleic acid tagged with a radioactive molecule is called: [2012]
(a) Vector
(b) Selectable marker
(c) Plasmid
(d) Probe
Show Answer
Answer : d
Hints & Solutions
(d) A single strand DNA or RNA tagged with radioactive molecule that is used in hybridization of DNA or RNA is called probe. Probe is used to locate specific alleles of genes and to screen patients for heritable conditions, drug responses or health risks.