Question

What are types of variation

Answer 1

Variations are classified variously according to:

i) Affected Trait:

Morphological, physiological, cytological and behaviouristic.

(ii) Impact:

Useful, harmful and neutral or indifferent

(iii) Parts:

Meristic (number of parts and their geometrical relations) and substantive (appearance),

(iv) Degree:

Continuous and discontinuous,

(v) Cells Affected:

Somatic and germinal,

(vi) Phenotypic (observable) and genotypic (constitutional)

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Answer 2

Answer:

$\\ \large{ \underline{ \sf{ \: Types \: \: of \: \: variations \: : }}}$

Variation are of two types -

• Somatic Variation
• Gametic Variation

$\\ \\ \: \large{ \underline{ \sf{ \blue{ \bullet \: \: Somatic \: \: variation}}}}$

• It takes place in the body cell.
• It is neither inherited nor transmitted.
• It is also known as acquired traits.
• Example - cutting of tails in dogs, boring of pinna etc.

$\\ \\ \large{ \underline{ \sf{ \green{ \bullet \: \: \: Gametic \: \: variation}}}}$

• Takes place in the reproductive cells.
• Inherited as well as transmitted.
• Also known as inherited traits.
• Example - human height, skin colour.