D
Less <span>competition with the parent plants. by being dispersed further, they will face competition but not with their parent plants.</span>
When there has been an error in copying a DNA, a DNA repair gene fixes its mistakes. However, a person having an error in his DNA repair gene (which are not corrected), it may lead to gene mutations with the possibility of leading to cancer. The mutations of DNA repair gene can possibly be inherited or acquired.
A duplication is a mutation where the chromosome carries repetitive sets for a gene.
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