X-linked dominant disorders are caused by mutations in genes on the X chromosome, one of the two sex chromosomes in each cell. In females (who have two X chromosomes), a mutation in one of the two copies of the gene in each cell is sufficient to cause the disorder.
Common Questions and Answers about Estrogen patch types. vivelle-dot. I did not want to go through menopause or life with no estrogen at age 35, so I opted for the estrogen hormone therapy. I chose to go with the Estradiol patches.
Nasal Decongestants: There are 2 different types of nasal decongestants... nasal spray (Afrin, Zicam, etc) and pill (Sudafed) formulations. These medications alleviate the symptom of the runny nose and are NOT specific to allergies only, but also colds and other viral illnesses that cause a nose to run.