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.
Select Forward message in the Perform the following actions drop-down, enter your SMS address in the to text box, add a message (if you wish), and click OK. Finally, choose either Apply or Don't Apply. Create an OS X Mail rule that forwards mail from a particular address to your phone as a text message.