A probe which is a molecule used to locate specific sequence in a mixture of DNA or RNA molecules could be

Options

A. a single stranded RNA
B. a single stranded DNA
C. either RNA or DNA
D. can be ssDNA but not ssRNA

Answer

C

Explanation

The molecular probes are usually single stranded pieces of DNAs (sometimes RNAs) labelled with radio isotopes such as phosphorus-32. Molecular probes are available for many genetic disorders such as Duchenne muscular dystropy, cystic fibrosis, Tay-Sachs disease.