Question

what is sometic and genetic variation

Answer 1

Somatic Variation -
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It's an alternation in DNA that occurs after conception. Somatic mutations can occur in any of the cells except the germs cells.

Genetic variation -
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The biological systems- individualsand populations - ate different over space. Each gene pools include various alles of genes. The variation occurs both within and among populations, supported by individual carrier of the variant gene.

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Answer 2

$\text{Somatogenic Variations}$

→They occur only in somatic cells (non germinal) of an individual.

→They are acquired during lifespan of individual.

→These are result of environmental factors like change in climate, light,temperature etc.

→DNA of a cell is not changed, hence it is non-inheritable.

$\text{Germial Variations}$

→They occur in germinal cell of reproductive organs of an individual

→They occur at time of formation of gametes.

→They are developed either due to mutation or re combination of genes.

→DNA of cell is changed so it is inheritable