As explained in this eMedTV segment, a mutation in the F8 gene causes hemophilia A, while a mutation in the F9 gene is responsible for hemophilia B. This article covers these genes in more detail and discusses how hemophilia is inherited.
To forward a text message on an iPhone running the iOS 8 operating system, open the conversation thread, select an individual message and then use the Share feature to send the message to one or more of your contacts.
How to Backup Text Messages on iPhone with iTunes. When you back up your iPhone via iTunes on computer, the text messages will also be backed up, but as we said, you cannot view or read the messages in iTunes backup directly. Step 1. Open iTunes and plug in your iPhone to your computer. Click the device button.