Assertion : Mutations cause evolution.
Reason : Ancon sheep and hornless cattle are developed by inducing mutation.

Options

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 ture 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

Answer

B

Explanation

Mutation theory of Huge de Vries states that evolution is a 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.