Down syndrome (DS or DNS) or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21.It is typically associated with physical growth delays, characteristic facial features, and mild to moderate intellectual disability.The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8- or 9-year-old child, but this varies widely.own syndrome is one of the most common chromosome abnormalities in humans, occurring in about one per 1000 babies born each year. In 2013 it resulted in 36,000 deaths down from 43,000 deaths in 1990.
Windows 7. Choose Start, type the name of the application, like Word or Excel, in the Search programs and files box. In the search results, click the application to start it. Choose Start All Programs to see a list of all your applications. You might need to scroll down to see the Microsoft Office group.
Press the Alt and F keys on your keyboards simultaneously to open the Word Options window. Click the Customize Ribbon option and press the Tab key on your keyboard until the Customize option is highlighted. Click on the Commands button to pull up a list of commands for Microsoft Word.lick on the Keyboard button located in the bottom-right corner of the pop-up window. Open the category and command of the shortcut key you wish to turn off. If there are any shortcuts associated with the command, it will appear under the Current Key section of the window.