Question

the structure labeled b in the figure below is called the ______. sister chromatids centromere spindles centrioles

Explanation:

In cell biology, sister chromatids are the two identical halves of a replicated chromosome. The centromere is the region where sister chromatids are joined. Spindles are part of the spindle apparatus involved in cell division. Centrioles are organelles that help organize the spindle fibers. Based on the figure's structure (two chromatids joined at a point), labeled B is sister chromatids.

Answer:

Sister Chromatids