The region of gene which do not form part of protein synthesis are called as
A
Exons
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B
Introns
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C
Transposons
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D
Cistrons
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Solution
The correct option is B Introns Introns are parts of genes that do not code for proteins. They are commonly found in multicellular eukaryotes, such as humans. Introns are present in the initial RNA transcript, known as pre-mRNA. Pre-mRNA, therefore, undergoes a process, known as splicing, to create mature mRNA by removing the introns and joining the exons or the coding regions together.