When a single base in nucleotide sequence is replaced by another, then it is known as point mutation. Point mutations also include insertion and/or deletion of a single base in the DNA strand. Usually, they are caused due to error in DNA replication.
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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.