missense mutation is not always a changed amino acid?

[sixpence]

EK bio says that a missense mutation is just one that occurs in the coding sequence and that it may or may not change the amino acid that it originally codes for.

I thought a missense mutation always changed the amino acid...

---

Members don't see this ad.

 

[DrYoda]

The genetic code is redundant, so you can change one nucleotide and get the same amino acid.

 

[sixpence]

i sort of know that...
i just thought a silent mutation was when the aa doesn't change and missense when the aa does change

 

[DrYoda]

i sort of know that...
i just thought a silent mutation was when the aa doesn't change and missense when the aa does change

hmmm, good point. It'd make more sense if it said point mutation instead of missense.

Sorry

 

[RogueUnicorn]

a missense is by definition a change in AA sequence i thought.