CBSE 2024 · Region 5 · Set 1 · Q14 · 1 mark
Assertion (A) : In molecular diagnosis, single stranded DNA or RNA tagged with radioactive molecule is called a probe.
Reason (R) : A probe always searches and hybridises with its complementary DNA in a clone of cells.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both (A) and (R) are true and (R) is the correct explanation of (A).
Molecular Basis of InheritanceDNA FingerprintingUnderstandassertion_reasonmedium
More from Molecular Basis of Inheritance
- Explain how the addition of lactose in the medium regulates the switching on of the lac operon in bacteria.2025 · asked 3×
- The type of bond represented by the dotted line '-----' in a schematic polynucleotide chain is:2024 · asked 3×
- Which of the options has correct identification of 'P', 'Q' and 'R' in the illustration of 'Central Dogma'…2024 · asked 3×
- Study the diagram given below and answer the questions that follows: Identify the structure shown in the…2025 · asked 3×
- What is a genetic code? Why did scientists feel the need to propose a genetic code? Genetic code is said to…2026 · asked 3×
- Assertion: Primary transcripts in eukaryotes are subjected to splicing to remove the introns. Reason (R):…2024 · asked 3×
- Given below is a heterogeneous RNA formed during Eukaryotic transcription: How many introns and exons…2025 · asked 3×
- Consider the given data of a hypothetical small portion of mRNA that codes for a functional polypeptide chain…2024 · asked 3×
CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.