1.

Question : Mechanism of crossing over involves the following stages . Select the correct sequence .

Answer»

Tetrad STAGE `RARR` Synapsis `rarr` BIVALENT stage `rarr` cross over
Synapsis `rarr` Tetrad`rarr` Crossing over `rarr` Terminalisation
Terminalisation `rarr` Tetrad `rarr` Bivalent `rarr` Cross over
Cross over `rarr` Bivalent `rarr` Tetrad `rarr` Terminalisation

ANSWER :B


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