Cell Cycle and Cell DivisionMedium

Question

Spindle fibers attach to kinetochores of chromosomes during

Options

A.Anaphase
B.Telophase
C.Prophase
D.Metaphase

Solution

Sol. [Key Concept: Kinetochore attachment and metaphase]

Among the stages offered, metaphase is the NCERT and NEET answer: spindle fibres are attached to kinetochores and chromosomes align at the equatorial plate. In descriptions that recognise prometaphase separately, initial attachment begins during prometaphase after nuclear envelope breakdown. Hence, option (4).

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