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A variety of genetic elements are used in the transgenic plant research. Match the genetic elements (Column-I) with their corresponding source (Column-II).
Column-I
P. Ubiquitin1 promoter
Q. Nos transcriptional terminator
R. bar selection marker gene
S. gus reporter gene
Column-II
1. Agrobacterium tumefaciens
2. Streptomyces hygroscopicus
3. Escherichia coli
4. Zea mays
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- P-2 , Q-1 , R-3 , S-4
- P-2 , Q-3 , R-4 , S-1
- P-3 , Q-4 , R-1 , S-2
- P-4 , Q-1 , R-2 , S-3
Correct Option: D
Certain genetic elements used in transgenic research includes Ubiquitin I promoter, Nos Transcriptional terminator, bar Selection Marker Gene, gus Reporter gene. They are obtained from Zea mays, Agrobacterium tumifaciens, Streptomyces hygroscopicus, Escherichia coli respectively.
