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Give scientific reasons.Variations are e...

Give scientific reasons.Variations are expected in sexually reproducing organisms.

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Sexual reproduction involves formation of gametes in the gonads, meiosis and fusion of gametes. These processes produces variations due to new combinations of genes due to crossing over, change segragation of chromosome and chance fusion of gametes. Daughter offsprings are genetically different from the parents. Sexual reproduction thus, is a source of variation in the population.
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