The movement of chromosomes to the opposite poles during cell division takes place

When the centrioles replicate

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After the nuclear membrane disintegrates

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Immediately following DNA replication

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When the DNA condenses

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Immediately after the centromere splits

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Solution

The correct option is E Immediately after the centromere splits
DNA and centriole replication occur during S phase of cell cycle. Condensation of DNA leading to the presence of visible chromosome and nuclear membrane disintegration occur during prophase. This is followed by movement and arrangement of sister chromatids joined together by centriole on the cell's equator. Anaphase is marked by splitting of centriole leading to separation of sister chromatids and their movement to opposite pole.
So, the correct answer is option E.

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Similar questions

Q. The events shown below occur during different phases:
a. Centromere splits, chromatids separate and move to opposite poles, chromatids are now called chromosomes.
b. Chromosomes cluster at opposite poles, decondensation of chromosomes, reappearance of the nuclear membrane, golgi bodies, and the ER.
c. Chromosomal replication.
d. Kinetochores attach to spindle fibres and chromosomes are arranged at the equatorial plate.
e. Condensation of chromosomal materials.

Which of the following correctly identifies each of the phases described?

Question 8
Which of the events listed below is not observed during mitosis?
(a) Chromatin condensation
(b) Movement of centrioles to opposite poles
(c) Appearance of chromosomes with two chromosome joined together at the centromere
(d) Crossing over

Q. Assertion :During anaphase, centromere of each chromosome splits to the chromatids separate. Reason: During anaphase, chromatids move to opposite poles.

Q. The following events occur during the various phase of the cell cycle. Fill the blanks with suitable answer against each.
(a)Disintegration of nuclear membrane ________.
(b) Appearance of nucleolus _________.
(c) Division of centromere ___________.
(d) Replication of DNA __________.

Q. Observe the given diagram and answer the following questions:

Consider the following statements:

P. More DNA is synthesised

Q. Nuclear membrane disappears

R. Interval between the M phase of the cell cycle and DNA synthesis

S. Centrioles move towards the opposite poles

T. Longest phase of the cell cycle

U. Synthesis of RNA and proteins

The correct statements with respect to phase X are:

[3 Marks]

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