Q.

The event which occurs in diplotene of prophase I is

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a

recombination of genetic material

b

synapsis of chromosomes

c

dissolution of synaptonemal complex

d

terminalisation of chiasmata

answer is D.

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Detailed Solution

The event which occurs in diplotene of prophase I is dissolution of the synaptonemal complex.  The recombined homologous chromosomes of the bivalents show a tendency to separate from each other except at the sites of crossovers. These X-shaped structures are called chiasmata.

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