Assertion :There are 5487 codons in mature mRNA ready for translation. Reason: It can be translated into polypeptide with 1826 amino acids.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is C Assertion is correct but Reason is incorrect.
A set of triplets bases that code for an amino acid is called as codon. Primary transcript is the original product of transcription which undergoes splicing. It is removal of introns from the primary transcript and ligation of exons to form a continuous sequence specifying a functional polypeptide in which each triplet codon specifies an amino acid. Assertion is correct. Since codon is triplet, mRNA ready for translation with 5487 codons will code for a polypeptide with 1829 amino acids. Reason is incorrect.

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