Answer:
By the same token, any random change in a gene's DNA is likely to result in a protein that does not function normally or may not function at all. Such mutations are likely to be harmful. Harmful mutations may cause genetic disorders or cancer. A genetic disorder is a disease caused by a mutation in one or a few genes
phenylindanes I'm pretty sure.
Filler Metal is a type of metal used in the fusion welding union, and it is necessary to produce a joint because it serves to collaborate in the opposition, to a greater or lesser degree, against the forces applied to it, without suffering deformation or breakage.