Frequent question: What stage of mitosis does the chromosome condense and become short and thick?

What phase of mitosis do chromosomes condense and thicken?

Prophase. During prophase, the chromosomes, which had been thin and threadlike in interphase, begin to condense, or thicken. The nuclear membrane surrounding the cell nucleus disintegrates, the nucleolus disappears, and the centrosomes move toward opposite poles of the cell.

What stage do chromosomes become short and thick?

✔️During prophase I, they coil and become shorter and thicker and visible under the light microscope.

During which stage the chromosomes are the thickest and shortest?

The chromosomes appear shortest and thickest during the metaphase and are arranged at the equator and form an apparent plate called as the equatorial or as the metaphase plate thus readily visible.

What makes the chromosome thicker and shorter?

As the prophase progresses, chromosomes become shorter and thicker (due to the condensing of their coils). In each chromosome, the chromonema splits lengthwise into two identical threads or chromonemata (dyads).

During which stage of mitosis do replicated chromosomes condense and the nuclear envelope disappear?

During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down.

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What is the stage of mitosis in which chromosomes uncoil and spindle fibers breakdown?

Telophase: spindle fibers breakdown, nuclear membrane forms, and chromosomes begin to uncoil and form chromatin.

During what stage does G1 S and G2 phase happen?

Interphase. G1, S and G2 phases are all cumulatively referred to as interphase involving the growth of a cell and the replication of its DNA.