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 carbon dioxide gas is produced by the reaction of calcium carbonate with hydrochloric acid. CaCO 3 (s) + 2 HCl (aq) AE Ã¦ co (2) + CaCl cacl (2) + Aq h 2 (o) L the carbon dioxide gas will be collected in An erlenmeyer flask that is covered with aluminum. foil