NEET Biology question

Arrange the following events of meiosis in correct sequence: (i) Crossing over (ii) Synapsis (iii) Terminalisation of chiasmata (iv) Disappearance of nucleolus

(A)(i), (ii), (iii), (iv)
(B)(ii), (iii), (iv), (i)
(C)(ii), (i), (iv), (iii)
(D)(ii), (i), (iii), (iv)Correct

Answer: (D)

Solution

Homologous chromosomes first synapse (ii, zygotene), then undergo crossing over (i, pachytene), after which chiasmata (formed at diplotene) move toward chromosome ends — terminalisation (iii,

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Question ID VK-127478