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Percentage of highly repeated DNA sequences in a genome is __________

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Percentage of highly repeated DNA sequences in a genome is __________

(a) 1-10 %

(b) 15-20%

(c) 20-30%

(d) 35-40%

I had been asked this question in a national level competition.

Asked question is from Genome Structure in chapter Nature of Genome of Cell Biology

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Right option is (a) 1-10 %

Explanation: The highly repeated fraction consists of sequences that are present in at least 105 copies per genome. Such sequences make up about 1 to 10% of the total DNA.

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