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.
Download one attachment. 1  Open a message containing an attachment. 2  Mouse over the attachment thumbnail at the bottom of the message. 3  Click the download icon. 4  Select where you would like the attachment to be saved on your computer. - 5  The steps for saving will vary depending on your web browser and browser settings.