FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY
Crossing over. Artwork of two chromosomes swapping genetic material prior to meiosis (production of gametes). This is a natural genetic process, known as crossing over, that occurs between homologous chromosomes. The recombination of DNA (deoxyribonucleic acid) increases the genetic variation in a population.
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