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Table 1 Effect of Calyculin A and Okadaic acid on anaphase chromosome movements**

From: Calyculin A, an enhancer of myosin, speeds up anaphase chromosome movement

  

# of half-bivalent pairs followed

Treatment

# of cells

total

accelerated

slowed

no change

backwards

CalA in anaphase

23

52

45

3

4

29

Okadaic acid in anaphase

6

12

0

3

9

0

  1. ** Though there are three half-bivalent pairs per cell, they are often not in the same focal plane; thus the number of pairs for which we have data is less then the maximum number of half-bivalent pairs for a given number of cells.