Why are dna variations important ?
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DNA variations are important as the error or variations are mostly beneficial to organisms.
It helps in adaptation to new habitats and environment.
It helps in formation of new species.
It help in evolution.
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Importance of Variation
→ Depending upon the nature of variations different individuals would have different kinds of advantage. Example, Bacteria that can withstand heat will survive better in a heat wave.
→ Main advantage of variation to species is that it increases the chances of its survival in a changing environment.
→ Free ear lobes and attached ear lobes are two variants found in human populations.
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