Which of the following can be the concerns from the Genetic Modification of Crops?
1. Adverse effects on human health
2. Development of tolerant or resistant weeds
3. Genetic erosion
4. Outcrossing
Select the correct answer from the code given below.
1
1 , 2 and 3 only
2
2 and 3 only
3
1 and 4 only
4
1, 2, 3 and 4