NEET Biology 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. Which of the two statements have mistakes?
Solution
Statement A is incorrect because Rosie was the first transgenic cow, not a buffalo, and statement B is incorrect because restriction enzymes are used to cut DNA at specific sites, not to isolate DNA from other macromolecules
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