And now this right here can basically overlap with this right here. And when this interlapping or overlapping takes place, this is known as synapses. So we have this overlaps onto this right over here. Now, when the overlapping takes place, then we can exchange in the process known as crossing over. And this dark green piece that came from this here goes onto the light green piece onto this chromatid right over here. And likewise, this lighter green section of the chromosome that came from this homologous chromosome goes on to this.