Biology
Bacillus thuringiensis
Cry1Ac
Helicoverpa zea
Noctuidae
Lepidoptera genitalia
Larva
Pupa
Animal science
Genetically modified maize
PEST analysis
Bioassay
Horticulture
Botany
Genetically modified crops
Ecology
Transgene
Biochemistry
Genetics
Bacteria
Gene