B
I believe it is B, so do double check. I hope it is right.
Principle of initial horizontality. I believe. Do you have any options for asnwers for this question?
Answer:
QUESTION:
Why do the chromosomes line up in the middle of the cell?
ANSWER:
Chromosomes line up at the metaphase plate, under tension from the mitotic spindle. The two sister chromatids of each chromosome are captured by microtubules from opposite spindle poles. In metaphase, the spindle has captured all the chromosomes and lined them up at the middle of the cell, ready to divide.
Explanation:
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Hello There!
A major source of calcium and sodium in oceans is weathering and erosion of rocks.
Option D.
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- Hannah ❤