Summer and the City Summer and the City Summer and the City is a young-adult novel written by Candace Bushnell. The sequel to "The Carrie Diaries" and the prequel to "Sex and the City", it was first released as a hardcover on April 26, 2011. Picking up where "The Carrie Diaries" left off, seventeen-year-old Carrie Bradshaw has left her hometown and treks to New York City. Set during the summer before her freshman year at Brown, Carrie learns to navigate her way through the Big Apple, takes a writing class at The New School, and even pursues a relationship with an older man. Joining
Sex determination in Silene and mutations in the Y chromosome during reproduction, then different sex-linked genes are lost. The different combinations of possible sex-related genes that an individual "Silene" can have in one Y chromosome are what creates the rich variation of sexual phenotypes throughout this genus. The system for determining sex in "Silene latifolia" is close to that found in humans because in both cases the Y chromosome determines what reproductive mechanisms will be expressed in the offspring. They differ because there are multiple sex determining genes on the Y chromosome of "S. latifolia", while in humans the presence or absence of the