JKSSB Mock Tests

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
Answer: Option A
Solution (By JKSSB Mock Tests Team)
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.
This Question Belongs to: General science Biology set 1
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