Genetic and metabolic disorders mnemonic

Trinucleotide repeat disorders

The mnemonic

Fragile X is CGG, Huntington CAG, Friedreich GAA, Myotonic CTG

What each word stands for

  • Fragile XCGG repeats
  • HuntingtonCAG repeats
  • Friedreich ataxiaGAA repeats
  • Myotonic dystrophyCTG repeats

Why it matters clinically

Matches repeat sequences with common disorders.

Where it stops being reliable

Does not describe anticipation or inheritance patterns.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Genetic and metabolic disorders mnemonic?

Fragile X is CGG, Huntington CAG, Friedreich GAA, Myotonic CTG. It helps you recall: Trinucleotide repeat disorders.

What does "Fragile X" stand for?

CGG repeats

What does "Huntington" stand for?

CAG repeats

What does "Friedreich ataxia" stand for?

GAA repeats

What are all the parts of the Fragile X is CGG, Huntington CAG, Friedreich GAA, Myotonic CTG mnemonic?

Fragile X: CGG repeats; Huntington: CAG repeats; Friedreich ataxia: GAA repeats; Myotonic dystrophy: CTG repeats.

Which topic does this mnemonic belong to?

It belongs to Genetic and metabolic disorders in Pediatrics.

Where does this mnemonic stop being reliable?

Does not describe anticipation or inheritance patterns.

How is this useful clinically?

Matches repeat sequences with common disorders.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Pediatrics question about Genetic and metabolic disorders.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.