Q: 22 (CDS-I/2016)

Genetically modified (GM) crops contain modified genetic material due to :
1. introduction of new DNA
2. removal of existing DNA
3. introduction of RNA
4. introduction of new traits
Select the correct answer using the code given below:
question_subject: 
Science
question_year: 
2016
question_exam: 
CDS-I
stats: 
0,264,528,176,104,88,424