DNA needs to replicate before cells divide for several reasons:
1. Genetic continuity: DNA contains the instructions necessary for the growth, development, and functioning of cells. By replicating the DNA prior to cell division, the daughter cells will inherit the exact same genetic information as the parent cell, ensuring genetic continuity from one generation of cells to the next.
2. DNA distribution: During cell division, the replicated DNA must be evenly distributed between the daughter cells. Replicating the DNA before division ensures that each daughter cell receives an exact copy of the genetic material, preserving the appropriate amount of DNA in each cell.
3. Error correction: DNA replication includes a process of proofreading and error correction, where any mistakes or mutations that might have occurred during DNA replication are identified and corrected. This helps in maintaining the integrity of the genetic information and minimizing the transmission of errors to subsequent generations of cells.
Overall, DNA replication before cell division is crucial for ensuring accurate transmission of genetic information, maintaining genetic continuity, and minimizing errors or mutations in the DNA sequence.
why does dna need to replicate before cells divide
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