Sex without crossovers mimics clonal reproduction in Rhynchospora tenuis
TL;DR - A Nature study reports that the plant Rhynchospora tenuis undergoes obligate, genome-wide meiosis without crossovers in both sexes. This makes sexual reproduction genetically resemble clonal reproduction by limiting recombination.
- Achiasmy occurs during both male and female meiosis.
- The absence of crossovers applies across the entire genome.
- The finding challenges the usual association between sexual reproduction and meiotic genetic reshuffling.
- The provided abstract snippet does not describe the underlying mechanism or broader evolutionary consequences.