Sickle cell anemia is the result of a point mutation, a change in just one nucleotide in the gene for hemoglobin. This mutation causes the hemoglobin in red blood cells to distort to a sickle shape when deoxygenated. The sickle-shaped blood cells clog in the capillaries, cutting off circulation.
Saving an attachment. Saving attachments from Mail is just as easy. Next time you receive a message to which somebody has attached a file, just tap and hold on that attachment until a Share sheet pops up. In the bottom row of icons, choose Save Attachment.aving an attachment. Saving attachments from Mail is just as easy. Next time you receive a message to which somebody has attached a file, just tap and hold on that attachment until a Share sheet pops up. In the bottom row of icons, choose Save Attachment.
Mail: 1  Go to the Trash folder in Yahoo! Mail. 2  Open the desired message. You can also check itâand any further messages you want to undeleteâin the message list. 3  Click Move in the Yahoo! Mail toolbar.  Select Inbox or any other folder to recover the message. You can also drag and drop the email to any folder, of course, or press D0.