Assertion (A) : Dolly was the first cloned mammal. 

Reason (R) : Dolly was produced by in vitro fertilization. 

(a) Both A and R are true and R is the correct explanation of A 

(b) Both A and R are true but R is not a correct explanation of A 

(c) A is true but R is false

(d) A is false but R is true

8 views

1 Answers

(d) Cloning is a process, which artificially performed in laboratory ( in vitro). Dolly was a clonned animal, but not the first cloned mammal. In 1984 a mice was cloned first.

8 views