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Accumulation of Variation During Reproduction

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Accumulation of variation during reproduction:-

-Inheritance from the previous generation provides both a common basic body design, and subtle changes in it, for the next generation.

-The second generation will have differences that they inherit from the first generation, as well as newly created differences.

-Variation in asexual reproduction are fewer and occurs due to small inaccuracies in DNA copying(Mutation).

-Variation in sexual reproduction are large and occur due to crossing over, separation of chromosomes, and mutation.

-Variation increases the chances of survival of a species in a changing environment.

-Free ear lobes and attached ear lobes are two variations found in human population.

If you would like to contribute notes or other learning material, please submit them using the button below. | Heredity and Evolution 03 - Variation

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Heredity and Evolution 03 - Variation [00:15:32]
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