STANDARD Botany rDNA Technology Multiple Correct Question
Read the following four statements (A-D) about certain mistakes in two of them (A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactalbumin enriched (B) Restriction enzymes are used in isolation of DNA from other macromolecules (C) Downstream processing is one of the steps of rDNA technology (D) Disarmed pathogen vectors are also used in transfer of rDNA into the host
A and B
B and C
C and D
A and C
Correct Answer
Detailed Explanation
Statement B is incorrect because restriction enzymes are used to cut DNA at specific sites, not for isolation. Statement C is incorrect because downstream processing refers to the purification of biosynthetic products, not a step in rDNA technology.
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