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.
2003 saw two Disney films grossing over $300 million at the box office â Pirates of the Caribbean: The Curse of the Black Pearl and Disney-Pixarâs Finding Nemo. In fact, Disney became the first studio in history to surpass $3 billion in global box office. In October, Mission: Space opened at Epcot to great acclaim, and the following month the Company celebrated the 75th anniversary of Mickey Mouse. As the year drew to a close the Pop Century Resort opened at Walt Disney World.