Portion of gene, which is transcribed but not translated is?
A
Exon
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B
Intron
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C
Cistron
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D
Codon
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Solution
The correct option is B Intron
The protein coding part of eukaryotic DNA is the exon while the gene sequences that are present between exons and do not code for any protein product are called introns.
Each exon carries a part of the reading frame and thus carries information of a part of the encoded polypeptide, which means that it is both transcribed and translated.
Introns of the transcript are removed by splicing to produce functional mRNA which means that introns are transcribed but not translated.