Which among the following is not the characteristic feature of DNA probes?
(a) Probes are always single-stranded
(b) They can be made of DNA or RNA
(c) The universal DNA probe is made up of repeated GATA sequence
(d) It is the DNA which is transferred from one organism into another
Answer is : (d) It is the DNA which is transferred from one organism into another
The option (d) is not the characteristic feature of DNA probes.
Passenger DNA is the DNA which is transferred from one organism into another by combining it with the vehicle DNA.
DNA probes are used to identify and label DNA fragments that contain a specific sequence.