Which of the following is an estimated length of linker DNA?

60 bp

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80 bp

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20 bp

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None of the above

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Solution

The correct option is B 80 bp
Histones are the positively charged proteins that held together the nucleosome in prokaryotes. There are 5 histone molecules in which the H1 is known as the linker DNA that holds two nucleosomes together.
Its size is around 145nm and is around 70-80 base pair long.

So, the correct option is '80bp'.

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