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Choose the wrong one out for insertion sequence.

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Choose the wrong one out for insertion sequence.

(a) Insertion sequences are transposons

(b) Insertion sequences range from 5kb to 30kb

(c) Insertion sequences only carry genes for their transposition

(d) Insertion sequences have terminal IR

I have been asked this question in an internship interview.

Question is taken from Chromosomal Abnormalities : Translocation in chapter Chromosomal Basis of Inheritance of Cytogenetics

1 Answer

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Correct option is (b) Insertion sequences range from 5kb to 30kb

Best explanation: Insertion sequences are very short transposons which range from 768 bp to 5 kb, they indeed have genes only needed for transposition and there is an inverted repeat at two terminals.

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