I never really thought an objective morality is possible. To me, pretty much everything is subjective. I think the main problem with creating an objective morality is when you start to look at other cultures, since their customs and behaviours are so different. However, I am open to your idea. We can see how far we can get.
As for your question, I would say yes. It is morally wrong to end your own race.
As for your question, I would say yes. It is morally wrong to end your own race.