Discuss briefly how a probe is used in m | Class 12 Biology Chapter Biotechnology and its Application, Biotechnology and its Application NCERT Solutions

Current NCERT chapter

Academic session 2026-27, Chapter 10 in the current curriculum.

Welcome to the NCERT Solutions for Class 12 Biology - Chapter Biotechnology and its Application. This page offers a step-by-step solution to the specific question from Exercise 0, Question 6:

Discuss briefly how a probe is used in molecular diagnostics.

. With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 6:

Discuss briefly how a probe is used in molecular diagnostics.

Answer:

Probe is a single stranded sequence of DNA or RNA, used in molecular diagnostics to find its complementary sequence in the sample genome and for labelling genes or small fragments of genome segment. It is placed near the sample under such conditions which allows probe sequence to hybridize with the complementary sequence. For the labelling of DNA sequence DNA or RNA fragments is used also for genome mapping (method used to identify the locations of genetic markers and the relative distances between genetic markers on genome) and genome sequencing (it spells out the order of every nucleotide in the genome, first genome sequenced was the genome of bacteriophage Φx174).

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Biotechnology and its Application.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 6: Discuss briefly how a probe is used in molecular diagnostics.....

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