genetics

Your challenge is to create a majority readheaded nation, and although post 1900 scenarios would be completely acceptable I am posting in pre simply becaue there is a longer time span to work with this way :) Do some alternate colonisation shenanigans happen? Does a nation with a large existent...

So, IOTL, Gregor Mendel's revolutionary work on hereditary genetics wasn't discovered until decades after his death, in the 20th century! What if, when he publishes it first, it becomes noticed and is received globally? I think Darwin will want to meet this man, because IRL Darwin knew that the...