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.
Lets consider the reaction between zinc metal and hydrochloric acid as such an example. a) What are the products of the chemical reaction... show more To prepare oxygen gas we need to decompose hydrogen peroxide. There are many other chemical reactions that generate gases as one of their products. Lets consider the reaction between zinc metal and hydrochloric acid as such an example.