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.
To send a text message (SMS): On the Home tab, in the New group, click New Items, and then click Text Message (SMS) . In the Text Message window, type or choose a recipient, and then type your message. To insert an emoticon, on the Text Message tab, in the Insert group, click an emoticon. Preview your message in the Preview pane, and then click Send.