So we have one, we have two, then we have exchange taking place, three, four, so nothing happens here. So this one basically remains the same. So we have uppercase t and this one also remains the same. So we have an uppercase g. Now, no, crossing over takes place along the top portion of this chromosome but along the bottom portion. So we have this one intertwines with this one and we have an exchange taking place. And so this goes on to here.