MCQ
Variations appear during meiosis due to :
- ACrossing over
- BIndependent assortment
- CLinkage
- ✓Both (a) and (b)
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$II.$ If a foreign $DNA$ ligates at the Bam Hl site oftetracycline resistance gene in the vector $pBR322$, the recombinant plasmid loses the tetracycline resistance due to insertion offoreign $DNA$.
Choose regarding the above statements.