A) cytokinesis
B) spindle formation
C) crossing over
D) chromosome duplication
Correct Answer: C
Solution :
During pachytene substage of prophase-I of meiosis, the non-sister chromatids of homologues exchange segments between themselves. This exchange of chromatid segments is called crossing over which involves proper breakage and then fusion of broken ends oppositely and hence, results in the recombination.
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