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Identify the correct order of organisation of genetic material from largest to smallest:

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Identify the correct order of organisation of genetic material from largest to smallest:
aGenome, chromosome, nucleotide, gene
bGenome, chromosome, gene, nucleotide
cChromosome, genome, nucleotide, gene
dChromosome, gene, genome, nucleotide
✓ Correct answer: b) Genome, chromosome, gene, nucleotide
ExplanationThe genome is described as the genetic information repository of an organism.The genetic material, i.e., DNA is packaged into thread-like structures called chromosomes.Gene is the segment of DNA that codes for the protein.Nucleotide is the building block of genetic material.Therefore, the correct order of organisation is: Genome - Chromosome - Gene - Nucleotide [New NCERT Class 12th Page No. 83]
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