HardBotany
+4 / -1
Chiasmata are the physical manifestations of:
A
Crossing over between non-sister chromatids
B
Synapsis of homologous chromosomes
C
Separation of homologous chromosomes
D
DNA replication
Explanation
Chiasmata are the visible X-shaped connections between homologous chromosomes at Diplotene, representing the physical sites where crossing over (exchange of genetic material) has already occurred at Pachytene between non-sister chromatids. They maintain bivalent structure until Anaphase I.
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