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.
The first film will be set seventy years prior to the Potter films, in 1920s New York. David Heyman, who produced all the Harry Potter films, will come back to work again with the series. In March 2014, Warner Bros. confirmed that the story would be released as a trilogy. Three months later, they announced shooting would take place at Warner Bros. Studios Leavesden in Hertfordshire.