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 Philosopher's (Sorcerer's) Stone  released June 26th, 1997  Harry Potter and the Chamber of Secrets released July  2nd, 1998  Harry Potter and the â¦Prisoner of Azkaban released July  8th, 1999  Harry Potter and the Goblet of Fire released July 8th,  2000  Harry Potter and the Order of the Phoenix released June  21st, ...