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.
Send photo, video, or audio messages on your iPhone, iPad, or iPod touch. You can send photo, video, or audio messages from the Messages app on your iOS device. Depending on your carrier, messaging rates might apply when sending SMS/MMS. If you're using iMessage and Wi-Fi is unavailable, cellular data rates might apply. Send photo or video messages. In a messages conversation, tap .