The first stage of mitosis, in which the chromatin condenses into discrete chromosomes visible with a light microscope, the mitotic spindle begins to form, and the nucleolus disappears but the nucleus remains intact is _______.
This is the first phase of mitosis and the *major activity here is the shortening and thickening of the chromosomes*.The *chromosome becomes visible when viewed under light microscope*. *Homologous chromosomes join at the centromere (kinetochore) to become chromatids*. *Mitotic spindle begins to form*, *the nucleolus disappears *and the *nuclear membrane opens up(Nucleus remains intact)*.
