A genetic disease in which there's a complete loss of enzyme activity. A northern blot was done on tissue sample and revealed normal enzyme amount. What could explain the genetic defect?
-Gene mutation
-Splicing mutation
-Promotor mutation
-Transcriptional defect
-Nonsense mutation
-Silent mutation
-Missense mutation
-Postranslational defect
-Gene mutation
-Splicing mutation
-Promotor mutation
-Transcriptional defect
-Nonsense mutation
-Silent mutation
-Missense mutation
-Postranslational defect