Search 7,000+ topics

Practice problem

What Are Exons? — Definition & Role in Transcription

By Gabi Slizewska
A strand of pre-mRNA consisting of 9 segments, and a strand of mRNA consisting of 4 segments.

Above are the pre-mRNA and mRNA transcripts of gene X. How many exons are in gene X?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

↑ ↓ to choose · Enter to openSearch explanations and problems