The genes contained in the species' chromosomes would influence a species' physical appearance, would it not? The alleles that species gains from both parents helps determine what that species physical appearance (also known as the phenotype) would look like. Hope this explanation helped you. :)
Methane could be a component of Water because it burns in the air to form H2O which is Water. If you see any fault in my answer please let me know. Thanks. Have a good day.
