Generation X. 1  For a few more years, Gen Xers are projected to remain the âmiddle childâ of generations â caught between two larger generations of the Millennials and the Boomers. 2  Though the oldest Gen Xer is now 50, the Gen X population will still grow for a few more years.
Mutation is the act or process of changing into a different form, or someone or something with an odd or unusual form. When a woman drinks alcohol when she is pregnant and causes the cells of the fetus to change and morph into abnormal cells, this process of the cells changing is an example of mutation.
Point mutation. Definition. noun, plural: point mutations. A mutation in DNA or RNA molecule involving a change of only one nucleotide base.Supplement. This type of mutation occurring in noncoding sequences often does not result in an altered amino acid sequence during translation.f a mutation in the promoter sequence of a gene occurs, the effect may be apparent since the expression of the gene may cause changes in the amino acid sequence, as well as the structure and function of the protein product. Point mutations may be classified based on functionality: 1  nonsense mutation. 2  missense mutation.