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Multiple Choice
Which phase of mitosis is crucial for ensuring that the chromosomes are properly aligned before cell division?
A
Anaphase
B
Metaphase
C
Prophase
D
Telophase
Verified step by step guidance
1
Understand the process of mitosis, which is the division of a single cell into two genetically identical daughter cells. Mitosis consists of several phases: prophase, metaphase, anaphase, and telophase.
Recognize that metaphase is the phase where chromosomes align at the cell's equatorial plane, known as the metaphase plate. This alignment is crucial for ensuring that each daughter cell receives an identical set of chromosomes.
During metaphase, the spindle fibers attach to the centromeres of the chromosomes, facilitating their alignment. This ensures that the chromosomes are properly positioned for the subsequent separation.
Consider the importance of proper chromosome alignment during metaphase. If chromosomes are not correctly aligned, it can lead to errors in chromosome separation, resulting in cells with an incorrect number of chromosomes.
Conclude that metaphase is crucial for ensuring proper chromosome alignment before the cell proceeds to anaphase, where the sister chromatids are pulled apart to opposite poles of the cell.