Biotechnology - Study Mode
[#106] The cutting of DNA at specific locations became possible with the discovery of
Correct Answer
(C) restriction endonuclease
[#107] Assertion (A): Insect resistant transgenic cotton has been produced by inserting Bt gene. Reason (R): The Bt gene is derived from a bacterium.
Correct Answer
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
[#108] Assertion (A): In human being, the females play a major role in determining the sex of the offspring. Reason (R): Women have two 'X' chromosomes.
Correct Answer
(D) (A) is false, but (R) is true
[#109] What is Cas9 protein that is often mentioned in news?
Correct Answer
(A) A molecular scissors used in targeted gene editing
[#110] The cloned sheep 'Dolly' was created through which of the following technique given below.
Correct Answer
(B) Nuclear transfer