About 10 percent of people with cri-du-chat syndrome inherit the chromosome abnormality from an unaffected parent. In these cases, the parent carries a chromosomal rearrangement called a balanced translocation, in which no genetic material is gained or lost.ost cases of cri-du-chat syndrome are not inherited. The deletion occurs most often as a random event during the formation of reproductive cells (eggs or sperm) or in early fetal development. Affected people typically have no history of the disorder in their family.
Find Out How Much Memory Your PC Has. To determine how much memory (also known as RAM) is in your computer, open the System window. To open the System window and view your memory, press Win+Break on your keyboard. See the following figure. Review the System window to determine how much memory is in your computer.
1 In the System section, next to Installed memory (RAM), you can view the amount of RAM your system has. 2  In the System section, under System type, you can view the register your system uses. 3  Open the System menu by clicking the Start button, right-clicking Computer and then clicking Properties on the options list. This amount of memory could handle single applications. 2  If your system has less than 4GB of RAM, adding more RAM would greatly improve its performance. 3  4-6 GB. 4  This standard RAM capacity will handle an average user's tasks, such as web browsing, working in Word documents, and emailing, with ease. 5  6-8 GB.