Search 7,000+ topics

Practice problem

Substitution (DNA Mutation) — Definition & Examples

By Gabi Slizewska
+1 contributors
Contributors
Four codons code for Valine, GUU, GUC, GUA, and GUG. Four codons code for alanine, GCU, GCC, GCA, GCG. Four codons code for glycine, GGU, GGC, GGA, GGG.

Image source: By NIH CC BY 2.0, via Wikimedia Commons

There is a single substitution mutation in a codon which typically makes valine (Val). Using the genetic code above, predict which of the following could be the resulting amino acid.

Choose one answer

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

↑ ↓ to choose · Enter to openSearch explanations and problems