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

A variety of genetic elements are used in the transgenic plant researc

1.	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
A.	P-2 , Q-1 , R-3 , S-4
B.	P-2 , Q-3 , R-4 , S-1
C.	P-3 , Q-4 , R-1 , S-2
D.	P-4 , Q-1 , R-2 , S-3
Answer» E.

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