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 Harry Potter movies were released on the following  dates:     Philosopher's (Sorcerer's) Stone - 16th November 2001  Chamber of Secrets - 15th November 2002  â¦Prisoner of Azkaban - UK - 31st May 2004 US - 4th  June 2004  Goblet of Fire - 18th November 2005  Order of the Phoenix - UK - 12th July 2007 US -  11th July 2007  Half-Blood ...