The biological significance of chromosomal recombination lies in its role in generating genetic diversity during the process of meiosis. Recombination occurs when homologous chromosomes exchange segments of genetic material, resulting in new combinations of alleles. This genetic variability is essential for evolution, allowing populations to adapt to changing environments and enhancing the survival of species. Recombination contributes to the variation observed in traits among individuals, making it a fundamental mechanism for natural selection. Studies of recombination advance our understanding of heredity, genetics, and species evolution.