I would say Genus and Species because they are what comprise the specific epithet or every organism.
It is autosomal. However I'm unsure what you would do to explain.
The DNA has a double helical structure, which is made up of the molecules known as the nucleotides. Each of these nucleotide molecule is composed of the deoyribose sugar, phosphate group, and a nitrogenous base. The nitrogenous bases are of two types, namely the purines, and pyrimidines. The deoxyribose sugar and the nitrogenous base bonded covalently would be known as nucleoside-nitrogenous base + sugar.
Depressants often cause slow movements and loss of sense of balance. These chemical substances reduce the speed and ability of neurotransmitters to communicate. Included in this category of substances are opioids, alcohol and marijuana related products. Pharmacological-related substances are sleeping pills and pain relievers, to help aid sleep and relax muscles.