Homologous recombination

From Conservapedia

Homologous recombination is the exchange of pieces of DNA during the formation of eggs and sperm. Recombination allows the chromosomes to shuffle their genetic material, increasing the potential of genetic diversity. Homologous recombination is also known as crossing over.

Sources

http://www.genome.gov/glossary.cfm?key=homologous%20recombination