Figure 6:

Distance of the kinetochores of two partner half-bivalents in anaphase from a fixed point (bottom pole) in micrometers vs. time in minutes in a crane-fly spermatocyte. A power of 49.4 mW was applied to the lower half-bivalent kinetochore (red circles) and then 62.4 mW to the upper half-bivalent kinetochore (blue triangles). When trap 1 was applied, chromosome movement (red circles) stopped and the partner half-bivalent was not affected. When trap 1 was released, chromosome movement resumed with a slower velocity. When trap 2 was applied, chromosome movement (blue triangles) stopped and its partner was not affected. When trap 2 was released, chromosome movement resumed with a slower velocity.