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Question
Which of the given statements is incorrect about Ancient Conserved Regions?
Options:
A .  The method involves database similarity searches of the SwissProt database with human, worm, yeast, or E. coli genes and identification of matches with sequences from a different phylum than the query sequence
B .  An analysis of ACRs that predate the radiation of the major animal phyla some 580–540 million years ago suggested that 50–60% of coding sequences are ACRs
C .  These ACRs may represent proteins present at the time of the prokaryotic–eukaryotic divergence
D .  Phylogenetically diverse groups of organisms have been analyzed for the presence of conserved proteins and protein domains that have been conserved over long periods of evolutionary time, called ancient conserved regions or ACRs
Answer: Option B
Answer: (b).An analysis of ACRs that predate the radiation of the major animal phyla some 580–540 million years ago suggested that 50–60% of coding sequences are ACRs

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