What term describes making new combinations of alleles using existing genetic variation across many chromosomes?

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Random assortment is the process by which maternal and paternal chromosomes align independently during meiosis, resulting in new combinations of alleles on different chromosomes, which creates genetic variation in offspring. Pleiotropy, epistasis, and mutation refer to different genetic concepts that do not necessarily involve combining existing genetic variation across many chromosomes.

What Term Describes Making New Combinations of Alleles Using Existing