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Question

In vitro, clonal propagation in plants is characterized by


A

Electrophoresis and HPLC

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B

Microscopy

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C

Northern blotting

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D

PCR and RAPD

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Solution

The correct option is D

PCR and RAPD


The correct option is D.

Explanation for the correct option:

Option D:

  1. Clonal propagation is a method to replicate genetically identical copies of a plant.
  2. PCR stands for Polymer chain reaction is the method by which multiple copies of DNA can be formed.
  3. RAPD stands for Random amplified polymorphic DNA is a PCR-based technique that can be used to identify the genetic changes in desired DNA samples of a plant.

Explanation for the incorrect options:

Option A:

Electrophoresis and HPLC are the techniques used to test the hemoglobin level in blood.

Option B:

Microscopy is a method to diagnose pulmonary tuberculosis.

Option C:

Northern blotting is a technique used to transfer isolated RNA to a membrane.

Final answer: In vitro, clonal propagation is characterized by PCR and RAPD.


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