Exam: As we know from his work with fruit-flies, Morgan was interested in verifying certain aspects of Mendel's work, while pointing out cases in which a more sophisticated theory was necessary. In this paper from 1909, he takes issue with a certain kind of generalization based on Mendel's paper. In a clear and well-developed essay that Mendel would have understood, summarize Morgan's concerns and critique in a way that:
As usual, feel free to make use of whatever reference material or classmate expertise you wish, and of course document all your sources.
The direct URL of the paper is : http://www.esp.org/foundations/genetics/classical/thm-09.pdf