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Evolution question

2002 · Q83
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Evolution question

2002 · Q83

NEETBiologyEvolutionMCQ+4 / −1
Sequence of which of the following is used to know the phylogeny ?
  1. A
    DNA
  2. B
    r-RNA
  3. C
    m-RNA
  4. D
    t-RNA
View written solutionFree

Correct answer: B

Carl Woese came up with the theory of life based on his discovery that the genes encoding ribosomal RNA are ancient and distributed over all lineages of life with little or no gene transfer. Therefore, rRNA are commonly recommended as molecular clocks to the phylogeny.

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