A human gene contains six exons and five introns. The pre-mRNA transcript from t

Question

A human gene contains six exons and five introns. The pre-mRNA transcript from this gene is found in cells in both the heart and the brain. However, in the heart it produces a protein that is 32 amino acids long that functions to regulate calcium, whereas, in the brain, a 53 amino acid protein is produced that is involved in transmission of pain. Which process is likely responsible for this difference?

a. Differential transcription

b. Alternative replication

c. 5? capping and polyadenylation differences

d. Alternative splicing

Explanation / Answer

the correct answer is alternative spilcing because particular exons of a gene included within or excluded from the final, processed messenger RNA produced from that gene.

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