Multiple choice Spindle fibers which extend from one pole to another are: continuous fibers interzonal fibers chromosomal fibers meta fibers Reveal answer Fill a bubble to check yourself A Correct answer Explanation Continuous spindle fibers extend from one pole of the cell to the other, forming the basic spindle framework. Chromosomal fibers attach to chromosomes, while interzonal fibers form between separating chromosomes in anaphase.