Question

Sequences of which of the following is used to know the phylogeny?
A)mRNA
B)RRNA
C)TRNA
D)HnRNA

Answer 1

HeYa❣

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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