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.
The good news is that all you need is an email address and a printer to get this done. If you don't have an email address, signing up for one is easy. Click forward to email your text message. This is usually done by clicking the menu button, but varies widely by phone. Check your phone's manual for further instructions. Enter your email address in the Send To area. Click Send..