The views of heredity and exactly what it was have changed throughout time. Herbert Spencer stated that heredity was just another facet of evolution and was the basis for how mankind was bettered over time (Niemeyer, 2015). August Weismann, on the other hand, felt that heredity was traits passed down through generations that made mankind most equipped to handle changes and challenges (Neimeyer, 2015). Studies would eventually like heredity over time, minds would change and heredity would be linked to that of the chromosomes and genes that each individual carries and that were passed down from generations prior. The original assumptions as to just what made us who we are were established without any scientific backing. Instead they were