Question

how mutation in DNA may affect the traits of an individual

Answer 1

i cant give a specific answer, you will find lots of info here though:
http://www.nature.com/scitable/topicpage/dna-is-constantly-changing-through-the-process-6524898

Answer 2

there's many ways it can affect the individual, just do a little research

Answer 3

thank you

Answer 4

the last paragraph specifically speaks of its effect