There are more distinct proteins in eukaryotic cells than there are number of genes. Which statement best explains this?
A) Many genes can give rise to multiple RNAs through alternate splicing.
B) Pseudogene expression often undergo transcription of truncated mRNAs.
C) Many genes undergo amplification and produce higher levels of mRNA.
D) Some mRNAs cross-hybridize and get translated into fusion proteins.

Question

Quizplus · Accepted Answer

Eukaryotic genes often have multiple exons and introns, and through alternative splicing, different combinations of exons can be included in the mRNA. This can result in the production of different protein isoforms from a single gene, increasing the diversity of proteins beyond the number of genes.

There Are More Distinct Proteins in Eukaryotic Cells Than There