Sources of Generic Variation
Sources of Generic Variation
The difference in characteristics between individuals of the same species is called variation. These variations occur due to mutations in the genes of cells.
These variations are of two main types based in there inheritance:-
Somatic Variations :- Somatic variations are mutations that occur in somatic cells both at early stages of development and in adult cells or we can say any mutation that occurs in a cell other than a gamete, germ cell or gametocyte. These type of variations unlike genetic variations cannot be passed to the next generation.
Which of the following are correct ? (a) The variations in species are of two main types somatic and genetic variation . (b) Genetic variation arises due to mutation and it can account for the creation of a new species . (c) Genetic variations can occur due to random fertililzation . | |||
| Right Option : D | |||
| View Explanation | |||
___________________ variation arises due to mutation and it can account for the creation of a new species. | |||
| Right Option : A | |||
| View Explanation | |||
Theory of evolution that was supported by Lamarck is _____________________ | |||
| Right Option : B | |||
| View Explanation | |||
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