Early anaphase in mitosis is characterized by the:

Contraction of continuous fibres

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Separation of homologous chromosome

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Division of centromere in each chromosome

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All of these

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Solution

The correct option is C
Division of centromere in each chromosome

This is that stage of mitosis or meiosis in which the chromosomes move from the equatorial plate towards the poles of the cell. At the end of anaphase, a complete set of chromosomes has assembled at each pole of the cell. In mitosis, the chromatids separate due to the splitting of the centromere whereas in meiosis, the homologous chromosomes separate.

Anaphase of Mitosis

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Similar questions

Q. Separation of homologous chromosomes without centromere division occurs in?

Q. Pick the correct statements.
A. Synapsis of homologous chromosomes takes place during prophase I of meiosis.
B. Division of centromeres takes place during anaphase I of meiosis.
C. Spindle fibres disappear completely in telophase of mitosis.
D. Nucleoli reappear at telophase I of meiosis.

Q. The separation of two chromatids of each chromosome at early anaphase is initiated by

In Anaphase of mitosis:
(I) Chromosomes move to equator and get aligned along metaphase plate.
(II) Centromere of each chromosome is towards the equator when chromosomes move away from the equatorial plate.
(III) Each chromosome arranged at the metaphase plate splits simultaneously.

Q. In anaphase of mitosis:

(a) Chromosomes move to spindle equator and get aligned along metaphase plate.

(b) Centromere of each chromosome is towards the equator when chromosomes move away from the equatorial plate.

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