which type of mutation is responsible for new alleles of a trait
Answers. Best Answer: Types: Point mutations (single nucleotide) Insertions Deletions Various larges scale mutations: Insertions and deletions generally make the gene not viable by frame shifting. Large scale don't generally change just the gene. Point mutations or a series of them are probably responsible for most alleles. http://en.wikipedia.org/wiki/Mutation#Cl...