Mr. Big (Sex and the City) with her "punishment": Carrie must wear a black diamond ring to remind herself that she is married. The two reconcile and kiss. The film concludes with a montage of scenes from the girls' lives - Big and Carrie have successfully combined their desires and interests, and the two are content as their married life has grown past the "Terrible Twos". Mr. Big (Sex and the City) John James "Mr. Big" Preston is a recurring character in the HBO series "Sex and the City", portrayed by Chris Noth. He is the primary on-and-off love interest of the series' protagonist, Carrie Bradshaw,
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