Created by StemPy LabAssertion (A): Metaphase is the stage at which the morphology of chromosomes is most easily studied. Reason (R): By metaphase, the condensation of the chromosomes is complete, and they can be observed clearly under the microscope.
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← Match the stages of prophase I in List-I with the events in List-II.
List-I (Stage)
A. Zygotene
B. Pachytene
C. Diplotene
D. Diakinesis
List-II (Event)
I. The chiasmata terminalise, and the nucleolus disappears
II. Recombination nodules appear, and crossing over takes place
III. Homologous chromosomes pair, and the synaptonemal complex forms
IV. The synaptonemal complex dissolves, and X-shaped chiasmata are seenA dividing cell is seen with its chromosomes moving to opposite poles. Each moving chromosome still has two chromatids joined at its centromere. Which stage is this? →
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