Define somaclonal variations.

Define gametoclonal variations.

Differentiate between Somaclonal variations and Gametoclonal variation.

Define variation.

Somaclones are

Assertion : Mutations or discontinuous variations are not transmitted to other generations. Reason : Because they are somatic variation .

Point out any three importance of variations.

There are two opposing views about origin of modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation on DNA variation could suggest this ? (a) Greater variation in Asia than in Africa (b) Greater variation in Africa than in Asia (c) Similar variation in Africa and Asia (d) Variation only in Asia and no variation in Africa

In which mode of reproduction variations are seen