A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
Mutation theory of Hugo do Vries states that evolution is jerky process where new varieties and species are formed by mutations that functions as raw material of evolution. A number of mutations have appeared in the past. Mutations are also induced. Ancon sheep is a short legged variety which appeared suddenly in Massachusetts in 1971. Hornless cattle developed as mutation from the horned cattle in 1889.
You need to login to perform this action.
You will be redirected in
3 sec
