AP BIOLOGY

CELL DIVISION

THE CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which phase of mitosis do the chromosomes line up in the middle?
A
metaphase
B
prophase
C
interphase
D
anaphase
Explanation: 

Detailed explanation-1: -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 .

Detailed explanation-2: -During metaphase, chromosomes come together at the equator line because of the mitotic spindle fibers. These fibers emerge from the centrosome present at each pole of the cell.

Detailed explanation-3: -In Anaphase of mitosis: (I) Chromosomes move to equator and get aligned along metaphase plate.

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