Ok, so some people are wondering why they are still seeing the yellow heart on their Snapchat next to certain friends or what it means when a red heart has a fire symbol next to it. More complexity on the part of Snapchat, apparently.
Several conditions can cause a sore throat. Sore throats may be caused by a viral illness, such as: 1  The common cold, the most common type of viral infection. 2  Infection of the voice box (laryngitis).3  Mononucleosis (mono, the kissing disease), a viral infection that tends to cause a persistent sore throat. The common cold, the most common type of viral infection. 2  Infection of the voice box (laryngitis). 3  Mononucleosis (mono, the kissing disease), a viral infection that tends to cause a persistent sore throat.
The full mutation causes the FMR1 gene to shut down or âmethylateâ in one region. Normally, the FMR1 gene produces an important protein called FMRP. When the gene is turned off, the individual does not make this protein. The lack of this specific protein is what causes Fragile X syndrome.