what is the importance of dna copying in reproduction?
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ANSWER --> DNA carries hereditary information not only for controlling cellular functions but also all the structural and functional traits of organism. It is because of the latter that single celled zygote is able to form the whole multicellular organism. During Reproduction there is formation of new cells which must carry the same amount and type of hereditary information as present in the parent cell. This is accomplished by DNA copying, which occurs prior to each cell division. DNA copying is not error proof. Errors give rise to variations.
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♤ DNA contains information for inheritance of characters from parents to the next-generation.
♤ As a result of DNA copying, blueprints of body design are produced which passes through parents to the offspring.
♤ Thus , DNA copying maintain the features in different generations of a species.
♤ DNA copying may creates variation which are useful for survival of species over a period of time.
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