Which of the Following Statements Explains the Observation That the Number

Multiple Choice

Which of the following statements explains the observation that the number of different proteins a vertebrate produces may be larger than the number of genes found within their genome?

A) Vertebrates can produce more than one polypeptide from a single gene.
B) Vertebrate genes contain both exons and introns.
C) Pseudogenes provide alternative regions for translation initiation.
D) Chromosomal rearrangements have increased the number of protein coding regions.