Q.

Identify the correct order of organisation of genetic material w.r.t packaging in eukaryotes:

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a

DNA→ Nucleosome →Solenoid→ Super solenoid→ Chromatin→ Chromosomes

b

Nucleosome →DNA→ Solenoid→ Super solenoid→ Chromatin→ Chromosomes

c

DNA→ Nucleosome →Solenoid→ Super solenoid→ Chromosomes→ Chromatin

d

DNA→ Nucleosome → Super solenoid→ Solenoid→ Chromatin→ Chromosomes

answer is B.

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Detailed Solution

The correct order of organization of genetic material w.r.t. packaging in eukaryotes is:

 DNA (2nm)→ Nucleosome(10nm) →Solenoid (30nm)→ Super solenoid(300nm)→ Chromatin(700nm)→ Chromosomes (1400nm)

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