Crossing-over is expected to occur infrequently for genes located very close together on the same chromosome.

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Crossing-over is a process of exchange of genetic material between homologous chromosomes during meiosis. Genes that are located very close together on the same chromosome are less likely to undergo crossing-over because they are physically linked and tend to be inherited together. Therefore, crossing-over is expected to occur infrequently for such genes. However, if the genes are located far apart on the same chromosome, there is a greater chance of crossing-over occurring between them.

Crossing-Over Is Expected to Occur Infrequently for Genes Located Very