CELL DIVISION
MEIOSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chromosomes cluster at the two poles of the cell.
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Crossing over occurs
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Chromosomes align down the center of the cell.
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One version of each chromosome moves toward a pole (sides).
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Detailed explanation-1: -During Anaphase the centromere of each chromosome is divided into two parts. In this way, each chromosome is divided into two chromatids or two daughter chromosomes. Both the chromatids of each chromosome begin to move towards the opposite pole. Thus option D is the correct answer.
Detailed explanation-2: -Anaphase I begins when homologous chromosomes separate. The nuclear envelope reforms and nucleoli reappear. The chromosomes coil up, the nuclear membrane begins to disintegrate, and the centrosomes begin moving apart. Spindle fibers form and sister chromatids align to the equator of the cell.
Detailed explanation-3: -During anaphase I, the homologous chromosomes are pulled toward opposite poles of the cell. During anaphase I, the homologous chromosomes are pulled toward opposite poles of the cell.
Detailed explanation-4: -During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes. The chromosomes are separated by a structure called the mitotic spindle.
Detailed explanation-5: -Metaphase leads to anaphase, during which each chromosome’s sister chromatids separate and move to opposite poles of the cell.