Cell Biology
The conserved ATPase PCH-2 controls the number and distribution of crossovers by antagonizing their formation in <i>Caenorhabditis elegans</i>
Meiotic crossover recombination is essential for both accurate chromosome segregation and the generation of new haplotypes for natural selection to act upon. This requirement is known as crossover assurance and is one example of crossover control. Whil…