The crops engineered for glyphosate are resistant/tolerant to:
1. Bacteria
2. Insects
3. Herbicides
4. Fungi

Which of the following explains why production of transgenic plants is easier than production of transgenic animals?
1. Plant cells can grow in cell culture.
2. Plant cells have a lower number of potentially lethal genes.
3. Plant cells are totipotent.
4. Production of mutant plants poses less ethical dilemmas than production of mutant animals.