Question

HEY FRIENDS..... HERE'S THE QUESTION ARRIVES


~HOW ARE VARIATIONS DEVELOP? WRITE SIGNIFICANCE OF VARIATION.

Answer 1

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⭐The genetic difference between individuals of a population is called 'Variation'. Human beings shows variations in skin tone, eye colour , hair colour etc.



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⏩Variations are developed due to following points :-

1) Variations are caused due to change in genetic material, at the time of DNA copying.

2) Mutation in genetic material leads to genotype and phenotype of an organism. It also leads to change in DNA.

3) Environmental factors are also responsible like: Nutrition, water, light etc.



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⏩-: SIGNIFICANCE OF VARIATIONS :-⏪


1) Variation is essential for the continuity of growth of an individual.

2) Variations give each organism a distinct individuality.

3) It helps the individuals to adapt themselves according to the changing environment.

4) Variations are the mean cause of slowly getting modified species with time.



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