Current Affairs · Biology
What is extrachromosomal DNA (ecDNA), which is frequently discussed in recent cancer research studies?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Circular DNA floating freely in the nucleus, separate from chromosomes✓
- 2DNA fragments located outside the cell nucleus, attached to chromosomes
- 3Mitochondrial DNA inherited from the maternal lineage and integrated into chromosomes
- 4Synthetic DNA artificially fused with chromosomal DNA for genetic engineering
Correct answer
Circular DNA floating freely in the nucleus, separate from chromosomes
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