How do the processes of crossing over and independent assortment compare in terms of their impact on genetic variation during meiosis?

During meiOSis, crossing over and independent assortment both contribute to genetic variation. Crossing over involves the exchange of genetic material between homologous chromosomes, leading to new combinations of alleles. Independent assortment refers to the random alignment and separation of homologous chromosomes during meiOSis, resulting in different combinations of alleles in the gametes. Both processes increase genetic diversity by creating unique combinations of alleles in the offspring.