1. Towards this end, Darwin developed his provisional theory of pangenesis . 2. Pangenesis was Charles Darwin's Lamarkian attempt to explain inheritance.3. Pangenesis looked to him as if it might supply the answer.4. One area where Darwin and Gray disagreed was Darwin's theory of pangenesis . 5. Pangenesis gave him the chance to be Lamarckian without any of Lamarck s inner strivings.6. In 1869 he criticised Darwin's theory of pangenesis , to which Darwin responded. 7. The hypothesis of pangenesis was developed by the ancient Greek philosophers such as Hippocrates and Democritus. 8. The hypothesis of pangenesis is as old as the belief in the inheritance of acquired characters. 9. Darwin's pangenesis theory was criticised for its pass on traits acquired in their lifetime. 10. Darwin advocated a hypothesis of pangenesis in the third edition of " Zoonomia ". 