✓ Board-verified
Biology · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 3 · Q14
Assertion (A): For sequencing, the total DNA from a cell is isolated and converted into random fragments. Reason (R): DNA is a very long polymer.
Assertion (A) : For sequencing, the total DNA from a cell is isolated and converted into random fragments.
Reason (R) : DNA is a very long polymer.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
All Molecular Basis of Inheritance questions2023 question paperNCERT solutions: Molecular Basis of InheritancePractice Molecular Basis of Inheritance →
More from Molecular Basis of Inheritance
- A bacterium having radioactive thymidine in its DNA is allowed to multiply in a medium having non-radioactive thymidine for two generations. What…2026
- Assertion: Repetitive sequences are stretches of DNA sequences that are thought to have no direct coding functions. Reason (R): They shed light on…2026
- Explain how the addition of lactose in the medium regulates the switching on of the lac operon in bacteria.2025
- In a human, the average gene consists of (i) bases and the largest known human gene contains (ii) bases. Select the correct option to fill in the…2026
- In a translational unit UTRs are present at:2025
- The simplest definition of a gene in eukaryotes is - A unit of DNA that has information to mainly specify the synthesis of:2025
- Explain the processing of heterogeneous nuclear RNA (hnRNA) into a fully functional mRNA in eukaryotes. Where does this processing occur in the cell?2024
- The type of bond represented by the dotted line '-----' in a schematic polynucleotide chain is:2024
CBSE Class 12 Biology past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.