Question:

Diagram represents central dogma of molecular biology. Choose the correct labelling of "X" and "Y": 


 

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Remember, replication is the process of copying DNA, ensuring that each new cell has an identical copy of the DNA.
Updated On: Mar 18, 2025
  • Translation and Transcription
  • Translocation and Transcription
  • Transcription and Translation
  • Transcription and Replication
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The Correct Option is D

Solution and Explanation

The central dogma of molecular biology typically involves the flow of information from DNA to RNA (through Transcription) and from RNA to Protein (through Translation). However, the given diagram focuses on the replication process rather than translation.
Transcription (X): Refers to the process of copying genetic information from DNA to mRNA.
Replication (Y): Refers to the duplication of the DNA molecule itself to produce two identical copies.
Therefore, X represents Transcription (copying DNA into RNA), and Y represents Replication (copying DNA to make new DNA).
Thus, the correct answer is Option (4), "Transcription and Replication."
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