Behaviors thought to be feminine or masculine differ from one culture to another and across time periods. Many artists have used their work to examine, question, and criticize the relationships between gender and society. As the feminist movement gained momentum in the 1960s and 1970s, artists began to challenge traditional roles of women, addressing topics such as women in domestic and public spheres, and the conventional standards of beauty.
DNA repair is a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome.n contrast to DNA damage, a mutation is a change in the base sequence of the DNA. A mutation cannot be recognized by enzymes once the base change is present in both DNA strands, and, thus, a mutation cannot be repaired.
Gene. The term  gene  refers to a functional segment of DNA, which in eukaryotic cell s would be a part of a chromosome in the nucleus of the cell. Gene duplication occurs when an error in DNA replication leads to the duplication of a region of DNA containing a (generally functional) gene.ene therapy. From Wikipedia, the free encyclopedia. Gene therapy is the use of DNA as a pharmaceutical agent to treat disease. It derives its name from the idea that DNA can be used to supplement or alter genes within an individual's cells as a therapy to treat disease.