Imagine a Prometaphase Chromosome Pair That Is Attached to One

question 37

Multiple Choice

Imagine a prometaphase chromosome pair that is attached to one spindle pole. Which of the following would happen if both arms of the chromosome are severed with a strong laser beam?

• A) All chromosome fragments (the centromere-containing fragment and the arm fragments) would be pushed away from the pole.
• B) Only the two arm fragments would be pulled toward the pole. The kinetochore-containing fragment would remain stationary.
• C) The kinetochore-containing fragment would be pulled toward the pole. The two arm fragments would move away from the pole.
• D) The kinetochore-containing fragment would move away from the pole, but the two arm fragments would be pulled toward the pole.
• E) All chromosome fragments would be pulled toward the pole.

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