Table of Contents
What phase a chromatid from each pair is now attached at each pole?
metaphase
In metaphase, chromosomes are lined up and each sister chromatid is attached to a spindle fiber. In anaphase, sister chromatids (now called chromosomes) are pulled toward opposite poles. In telophase, chromosomes arrive at opposite poles, and nuclear envelope material surrounds each set of chromosomes.
In which phase does each chromatid move to separate poles of the cell?
anaphase
Metaphase leads to anaphase, during which each chromosome’s sister chromatids separate and move to opposite poles of the cell.
At what stage of mitosis are the sister chromatids lined up between the two poles?
During metaphase, all of the chromosomes are aligned in a plane called the metaphase plate, or the equatorial plane, midway between the two poles of the cell. The sister chromatids are still tightly attached to each other.
Where are the paired chromatids aligned in the cell?
During metaphase II, the centromeres of the paired chromatids align along the equatorial plate in both cells. Then in anaphase II, the chromosomes separate at the centromeres. The spindle fibers pull the separated chromosomes toward each pole of the cell.
Where on the chromatid are the microtubules attached?
The microtubules attached to a particular chromatid all come from one pole of the spindle, and those attached to its sister chromatid come from the opposite pole. At this stage, the mitotic spindle is fully formed, with its poles at the opposite ends of the cell.
What Sister chromatid did during metaphase?
During metaphase, the cell’s chromosomes align themselves in the middle of the cell through a type of cellular “tug of war.” The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
In which stage of mitosis do the chromatid pairs line up along the cell’s midline?
Metaphase: During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate. Anaphase: During anaphase, the centromere splits, allowing the sister chromatids to separate.
Where on the chromatid are the microtubules attached quizlet?
For each chromosome, the kinetochores of the two sister chromatids face opposite poles of the spindle. The microtubules attached to a particular chromatid all come from one pole of the spindle, and those attached to its sister chromatid come from the opposite pole.