Answered

Exons of a gene are defined as

Athe untranslated regions of the corresponding mRNA
Bregions in the corresponding mRNA that are involved in initiation of transcription
Cregions that are not transcribed by RNA polymerase
Dregions that are excised from the corresponding protein after it is synthesized
Eregions that remain in the corresponding mRNA after splicing

Verified Answer :

Ebecause the exons remain present within the final mature RNA product of that gene after introns have been removed by RNA splicing.

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