what are the advantages and the disadvantages of DNA copying?

The advantages of DNA copying:

1. It helps in passing down the traits of parents (or parent) from generation to generation.

2. It gives rise to variations that increase the chances of survival for a particular species.

The disadvantages of DNA copying:

1. Defects can also be passed on from the parents (or parent) to future generations.

2. Drastic variations created due to DNA copying can adversely affect a particular individual and may even result in the death of an individual.

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Advantages
DNA in nucleus is information soursw for making proteins
If information is changed different protiens will be made and lead to alternated body designs .
So it is also important for reproduction
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