Read the following four statements (A-D) about certain mist…

Biology Biotechnology Principles and Processes Statement Based Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

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.

and and

Restriction enzymes are used in isolation of DNA from other macromolecules. and

Downstream processing is one of the steps of rDNA technology. and

Disarmed pathogen vectors are also used in transfer of rDNA into the host. Which of the two statements have mistakes?

Text Solution

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The correct answer is:

Incorrect – Rosie was the first transgenic cow, not buffalo, and produced milk enriched with human α-lactalbumin.

Incorrect – Restriction enzymes cut DNA at specific sites; they are not used for isolation of DNA from other macromolecules.

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