Which of the following does not occur in anaphase-I but occurs in anaphase-II?

Condensation of chromosomes

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Poleward movement of chromosome

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Contaction of spindle fibres

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Splitting of centromere

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Solution

The correct option is D Splitting of centromere
Anaphase-I is characterized by the segregation or disjunction of homologous chromosomes while sister chromatids remain associated at their centromeres. Whereas in anaphase-II, sister chromatids are separated by splitting centromere.

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Similar questions

(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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