No because your skin color doesn’t only how to do with genes, it also has to do with the genes of grandparents great grandparents etc. in addition to the environment, for example if you live in the tropics, you would have more melanin to help not get burned by the sun because of the adaption of constant sunlight.
<u><em>Nitrous oxide is removed from the atmosphere when it is absorbed by certain types of bacteria or destroyed by ultraviolet radiation or chemical reactions.</em></u>