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Sequence of which of the following is used to know phylogeny ?1) mRNA2) rRNA3) tRNA

Sequence of which of the following is used to know phylogeny ?1) mRNA2) rRNA3) tRNA

Grade:12

2 Answers

mukul chandrakar
35 Points
6 years ago
Hi, ans. is rRNA 16S rRNA , component of 30S rRNA unit of prokaryotic ribosome is used for phylogeny due to it`s slow rate of evolution .
omkar jilla
47 Points
6 years ago
the answer is rRNA 
Reason: some molecules are conserved since many years and are still carried from one generation to another, they haven’t undergone any big/vast changes like rRNA and some protein sequences.
 hence, we say that rRNA ia a very imp. factor to establish HOMOLOGY, to establish relationship between various organisms
such molecules are considered as ANCESTRAL characters, and are also very useful to study CHEMOTAXONOMY.

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