Strategy for Single cross over and double cross over in gene deletion?

Answer 1

Single crossover:

One recombination event inserts the plasmid into the genome, disrupting the gene but not completely deleting it.

Double crossover:

Two recombination events replace or remove the target gene completely, creating a stable gene deletion.

For More- nsda.gov.bd/pages/static-pages/6922dfd0933eb65569e241df

Answer 2

In single crossover gene deletion strategy, a linear DNA fragment with homology to the target gene is introduced, leading to recombination and deletion of the gene. In double crossover strategy, two DNA fragments are introduced flanking the target gene, leading to recombination events resulting in gene deletion. Double crossover strategy is more precise and can avoid potential off-target effects compared to single crossover strategy.