Which of the following sequences is used to d | vedclass

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(B) Phylogenetic history or evolutionary relationships are best determined by comparing sequences of $r-RNA$ (ribosomal $RNA$).$r-RNA$ genes,particula

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$r-RNA$

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(B) Phylogenetic history or evolutionary relationships are best determined by comparing sequences of $r-RNA$ (ribosomal $RNA$).$r-RNA$ genes,particularly the $16S$ $r-RNA$ in prokaryotes and $18S$ $r-RNA$ in eukaryotes,are highly conserved across all living organisms.Because these sequences change very slowly over evolutionary time,they serve as a 'molecular clock' to trace the ancestry and divergence of different species.$m-RNA$ and $t-RNA$ are less suitable for this purpose due to their rapid turnover and functional constraints.

Which of the following sequences is used to determine phylogenetic history?

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