Split genes contain both exons and introns within their coding sequence. After transcription, spliceosomes act on the mRNA to remove the introns and join together the exons, resulting in a mature mRNA that can be translated into a protein. This process is known as splicing and is a common feature in eukaryotic genes.

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Split Genes

Question 44

Multiple Choice

Split genes

A) are common in prokaryotes and eukaryotes.
B) only have exons initially transcribed to mRNA.
C) have introns located only at the beginning and end of a coding region.
D) are acted upon by spliceosomes to excise introns and then join exons.

Correct Answer: