Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 10. Cell cycle and cell division1 Mark
MCQ
Chiasma shows the sites of
A
Spindle formation
B
Synapsis
✓
Crossing over
D
None of these
✓
Answer
Correct option: C.
Crossing over
c Chiasma is an attachment of two non-sister chromatids in a bivalent in diplotene stage of prophase$-I$ of meiosis. Each chiasma results in the exchange of genetic material between non-sister chromatids, i.e., crossing over.
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