Is DNA replicated in meiosis?
Understand the Problem
The question is asking whether DNA replication occurs during meiosis, which is a process of cell division that produces gametes. The inquiry focuses on understanding the stages of meiosis and the role of DNA replication within them.
Answer
DNA replication occurs once before meiosis I.
DNA replication occurs only once before meiosis I during the S phase of interphase.
Answer for screen readers
DNA replication occurs only once before meiosis I during the S phase of interphase.
More Information
The single cycle of DNA replication before meiosis is significant because it prepares the chromosomes for recombination and reductional division during meiosis I.
Tips
A common mistake is confusing the very similar processes of mitosis and meiosis. Remember that in meiosis, DNA replication only happens once, resulting in four genetically diverse cells.
Sources
- Does DNA replication occur in meiosis? - BYJU'S - byjus.com
- Replication and Distribution of DNA during Meiosis - Nature - nature.com
- Meiosis — Knowledge Hub - Genomics Education Programme - genomicseducation.hee.nhs.uk
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