A mutation is an unpredictable change in the genetic material of an organism. Gene mutation: change in the structure of a DNA molecule, producing a different allele of a gene. Chromosome mutation: changes in the structure or number of whole chromosomes in a cell. Sources/ mutagens : increase chances of a mutation occuring - random - environmental factors (ionising radiations alpha, beta, gamma; UV radiation; chemicals) Gene mutations Types: base substitution base addition base deletion…