Okazaki fragments are synthesised on

leading strands of DNA only

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lagging strands of DNA only

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both leading and lagging strands of DNA

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complementary DNA

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Solution

The correct option is B lagging strands of DNA only
As the name indicates, the synthesis of leading strand DNA occurs in an easier and faster way in 5' ---> 3' direction.
Whereas lagging strand synthesis lags behind and is done with the help of the production of Okazaki fragments which are then joined with the help of ligase.

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