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What is the feature of blunt ends?

Answer and explanation

Correct answer: They have no single stranded overhang

The governing concept is the structure of DNA ends produced by restriction enzymes. A blunt end is formed when both strands of double-stranded DNA are cut at the same position or directly opposite one another. Consequently, the resulting termini are flush and contain no protruding single-stranded DNA overhang. Therefore option D is correct. Sticky or cohesive ends are different because staggered cuts leave short single-stranded overhangs that can pair with complementary sequences. Blunt ends do not have a long protein projection, do not contain only RNA, and are not coloured; those descriptions are unrelated to DNA-end structure.

Related tags

Blunt EndsSticky EndsDna OverhangRestriction EnzymesPrinciples Of BiotechnologyBiotechnologyClass 11 Mcq

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