One of the Things That Darwin Had Difficulty Explaining Was

Multiple Choice

One of the things that Darwin had difficulty explaining was how inheritance worked. Why was inheritance so difficult for Darwin?

A) The prevailing theory of inheritance was based on random mating.
B) The prevailing theory of inheritance was incompatible with the maintenance of variation.
C) The prevailing theory of inheritance implied that variation was not inherited from parents.
D) The prevailing theory of inheritance implied that too much variation exists for natural selection to operate.