1. Amorph: [ a´morf ] an inactive mutant gene, i.e., one that produces no detectable product.

2. A pharmaceutical company has developed a "cure" that suppresses the mutant gene, provoking controversy in the mutant community.

3. Sickle - cell anaemia is due to a recessive mutant gene ( a ) which produces yet another abnormal variant of haemoglobin .

4. Method for testing mutant gene through real-time polymerase chain reaction using dna polymerase with inhibited activity of 5'-flap endonuclease