Remember, in deployed organisms, every single chromosome comes with a homologous pair. So in humans, we have 46 chromosomes, but we have 23 homologous pair of chromosomes. So let's suppose this is our homologous pair of chromosomes. So this chromosome is homologous with respect to the second one, which means they carry genes that code for the same exact types of traits. Now, what exactly do we mean by duplication? So let's suppose ves is our gene that is about to break off.