Video: Nondisjunction and Aneuploidy. Learn why proper chromosome segregation is essential during meiosis. We'll see how having an extra chromosome can lead to Down Syndrome and also examine the consequences of having too few chromosomes. Disruptions to the delicate balance of cell division can have far-reaching effects. Biology 101: Intro to Biology / Science Courses.
The rights for the first four novels in the series were sold to Warner Bros. for Â£1,000,000 by J.K. Rowling. After the release of the fourth book in July 2000, the first film, Harry Potter and the Philosopher's Stone, was released on 16 November 2001.
Harry Potter and the Goblet of Fire is the fourth book in the Harry Potter series. The first, Harry Potter and the Philosopher's Stone, was published by Bloomsbury on 26 June 1997; the second, Harry Potter and the Chamber of Secrets, was published on 2 July 1998; and the third, Harry Potter and the Prisoner of Azkaban, followed on 8 July 1999.