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.
The metal is produced by smelting the ore, which is cassiterite and is made up of tin (IV) oxide (SnO2). This ore is treated to remove sulphides of lead, bismuth, antimony, zinc, silver copper and iron, and then smelted in either a blast furnace or a reverberatory furnace with coke or anthracite to produce liquid tin.