1 When you use USB 1.0 devices on a USB 2.0 capable system, the device may not function correctly or may have performance issues. 2  To resolve these issues, you may have to replace the USB device with a USB 2.0 capable device. 3  Install the latest updates for Windows and install the latest drivers for the USB device.
What Causes This Problem? The reasons why your mouse may continuously freeze is quite numerous. It could be due to a technical issue, such as low batteries, or it could be due to a connectivity issue, such as a loose or damaged cord. Worst case scenario, your mouse could be defective.
Still, only some of the cells that make up the chimeric mouse carry the knockout mutation, and those cells are heterozygous for the mutation. In order to learn about the function of the target gene, a mouse that is homozygous for the knockout mutation must be studied.o produce a mouse that is homozygous for the target gene knockout, chimeric mice capable of passing the knockout mutation on to their offspring must be identified. Figure 6: Mating a chimeric (spotted) mouse with a normal (white) mouse can yield a knockout mouse, among other normal mice.