Everyone has the HD gene, but in some families an abnormal copy of the gene gets passed from parent to child. If you have a parent with Huntington's disease, you have a 50% chance of having the gene and developing the disease. Also: Men and women are equally likely to inherit the abnormal gene.
Hydrogen gas is produced: Zn + 2HCl â ZnCl2 + H2â + Î´Q   Zinc (Zn) reacts with Hydrochloric Acid (HCl) to produce Zinc Chloride (ZnCl2), Hydrogen Gas (H2), and He â¦ at. 6 people found this useful.
HCl gas is highly soluble in water. One volume of water at room. temperature can dissolve 452 volumes of HCl gas. 8. State, why HCl gas fumes in moist air. [1] Ans. The HCl gas being highly soluble in water, dissolves in the water. vapour present in air to form fine droplets of liquid hydrochloric. acid, which appear like fumes.