MCQ
Extrusion of second polar body from egg nucleus occurs.
- AAfter entry of sperm but before completion of fertilization.
- BAfter completion of fertilization.
- CBefore entry of sperm.
- DWithout any relation of sperm entry.
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Reason : The $Bt$ gene is derived from a bacterium.
| (A) | (B) | (C) | (D) |