You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is DNA or RNA fragment which is radioactive or chemically labile to detect a specific fragment? and explain in detail?
Probes are generally pieces of DNA or RNA labeled with a 32P-containing nucleotide--or fluorescently labeled nucleotides The probe must recognize a complementary sequence to be effective.Ref: Harper 27e, page no: 456