Botany-DNA Replication
NEET Botany DNA Replication Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 12
Assertion (A): DNA replication in eukaryotes occurs during the S-phase of the cell cycle. | Reason (R): DNA replication and cell division cycle must be highly coordinated to prevent polyploidy.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The NCERT text states that DNA replication in eukaryotes takes place during the S-phase and that it must be coordinated with the cell division cycle to avoid polyploidy, thus making R a valid explanation for A.
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