19.
The cloned sheep was produced by
Answer : B. Ian Wilmut
20.
The world's first cloned mammal was a
Answer : C. sheep
21.
The cloning of a monkey was first done is
Answer : A. USA
22.
A scientist kept 72 generations of Drosophila in darkness. Even after 72 generations flies had normal eyes. This disapproves the theorey of
Answer : A. Natural selection
23.
Gene mutation takes place in
Answer : A. Dioxyribose nucleic acid
24.
Mutation can be induced by
Answer : D. All the above
