Please add punctuation to this: It was a special case which did not support the general validity of Lamarckism but at the time the role of genetics and mutations was not understood and so Lamarckism appeared to be a defensible theory
It was a special case which did not support the general validity of Lamarckism but at the time the role of genetics and mutations was not understood and so Lamarckism appeared to be a defensible theory.