TMV has RNA as a genetic material. The RNA present in the TMV is a positive-sense single-stranded RNA virus that infects a wide range of plants, especially tobacco and other members of the family Solanaceae. The infection causes characteristic patterns, such as "mosaic"-like mottling and discolouration on the leaves. TMV was the first virus ever to be discovered.
So, the correct answer is option A.
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Similar Questions
Q1
Who discovered that RNA is genetic material in TMV?
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Q2
Assertion: TMV is a virus which causes mosaic disease.