1 Some mutations don't have any noticeable effect on the phenotype of an organism. 2  This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.
Bookmark this page Manage My Reading List. 1  J.D. Salinger's The Catcher in the Rye, Holden Caulfield recounts the days following his expulsion from Pencey Prep, a private school. 2  Written by: J.D. Salinger. 3  Type of Work: novel.  Genres: coming-of- 1 age. First Published: by Little, Brown and Company on July 16, 1951.
Even more ironic is that Holden says he wants to be the catcher in the ryeâhe wants to be catching all those little children playing in the rye. But the poem isnât about preserving childhood innocence at allâitâs about sex. Holden exists in a world that is steeped in sexuality.