Diplotene stage of prophase-I is characterized by:
A
Dissolution of synaptonemal complex
B
Separation of synapsed homologous chromosomes except at the site of crossovers
C
Formation of 
-shaped structures called chiasmata
-shaped structures called chiasmata
D
All of these
Text Solution
Verified by ExpertsThe correct answer is:
D
The beginning of diplotene is recognised by the dissolution of the synaptonemal complex and the tendency of the recombined homologous chromosomes of the bivalents to separate from each other except at the sites of crossovers. These X-shaped structures, are called chiasmata. In oocytes of some vertebrates, diplotene can last for months or years.
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