📝 Multiple Choice Question
General-science
In the context of cell division, which chromosomal behaviour takes place at the leptotene stage?
A
Chromosomes become visible and start to condense
B
Crossing over occurs
C
Homologous chromosomes pair up
D
Chromosomes align at the equator
Explanation
During the initial leptotene stage of prophase I in meiosis, intricately replicated chromosomes begin to significantly condense and first become distinctly visible under a standard light microscope.
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