Question

Given below are three diagrammatic sketches (A, B and C) of one and the same particular phase during mitotic type of cell division.

1. Identify the phase.
2. What is the diploid number of chromosomes shown in them?
3. Identify whether these are animal cells or plant cells? Give reasons.
4. Which of these is/are shown in the correct direction?
   1. Only A
   2. Only B
   3. Only A and C
   4. All the three

Answer 1

1. Metaphase.
2. 4
3. (A) Animal cells; (B) Animal cells. Reasons for Parts (A) and (B): Each chromosome's ceritromere attaches to the spindle. (C) Plant cells. Reason: Chromosomes line up in one plane at the equator.
4. All the three