Bt Toxin Activation — Process Flowchart
ADA Gene Therapy — Process Flowchart
Bt Crop Gene-Pest Association
| Crop | Cry Gene(s) | Target Pest | Pest Order | Gut pH |
|---|---|---|---|---|
| Bt cotton | cry1Ac, cry2Ab | Helicoverpa armigera (bollworm) | Lepidoptera | Alkaline |
| Bt corn | cry1Ab | Ostrinia nubilalis (corn borer) | Lepidoptera | Alkaline |
Diagnostic Tools Comparison
| Tool | Detects | Mechanism | NEET Example Use |
|---|---|---|---|
| PCR | DNA / RNA | Thermocycling amplification with Taq polymerase | Early HIV detection, genetic disorder screening |
| ELISA | Antigen or Antibody | Enzyme-linked color change reaction | HIV antibody, hepatitis B antigen, pregnancy (hCG) |
| Autoradiography | Specific DNA / RNA | Radioactive probe hybridization on membrane | Southern blot, Northern blot detection |
Transgenic Animal Products
Transgenic sheep are used to produce alpha-1-antitrypsin in milk for emphysema treatment. Attribution: Wikimedia Commons / CC BY-SA 2.5