Question

explai mutation theory​

Answer 1

HERE IS UR ANSWER,

CHANGES IN GENE ARE ONE OF THE REASONS FOR VARIATIONS IN ORGANISM.SUDDEN CHANGES THAT OCCUR IN GENES ARE CALLED MUTATIONS.MUTATION THEORY EXPLAINS THAT NEW SPECIES ARE FORMED BY THE INHERITANCE OF SUCH CHANGES.THIS THEORY IS FORMULATED BY A DUTCH SCIENTIST ,HUGO DE VRIES.

Answer 2

Answer:

(1) Mutations are large, sudden and discontinuous varlations in a populatlon.

(2) Changes caused due to mutations are inheritable.

(3) The row material for organic evolution is provided by mutations.

(4) Mutation can be useful or harmful. Useful mutations are at evolutionary advantage as they are selected by nature.

(5) Accumulation of the useful mutations over a period of time leads to the origin and establishment of new species.

(6) Harmful or non-adaptive mutation may persist or get eliminated by nature.