During _______, a spindle appears while the nuclear envelope fragments and the nucleolus disappears. Only one set of sister chromosomes from each pair of homologous chromosomes is present.

During _______, a spindle appears while the nuclear envelope fragments

1.	During _______, a spindle appears while the nuclear envelope fragments and the nucleolus disappears. Only one set of sister chromosomes from each pair of homologous chromosomes is present.
Answer» During _______, a spindle appears while the nuclear envelope fragments and the nucleolus disappears. Only one set of sister chromosomes from each pair of homologous chromosomes is present.