Concept 2 Genes come in pairs.

Links

Mendel Web: This is a site where you can get a lot of information about Gregor Mendel, his life and scientific achievements. Read Mendel's descriptions of the pea traits he used in his experiments. You can also read an essay by Dr. Robert Olby, Mendel biographer, on how Mendel's work has been regarded since its rediscovery in 1900.
Electronic Scholarly Publishing: This site has the entire text for many classic genetics papers which can be downloaded and printed out in PDF format. Mendel's paper (1865) is one of the papers. To view and print these documents, you will need a copy of Adobe Acrobat Reader software, available without charge from Adobe Systems Incorporated.
Masark University Mendel Museum: Check out this online exhibit for more on Gregor Mendel, based on a physical exhibit in Brno in the Czech Republic. Mendel spent most of his adult life in Brno at the Abbey of St. Thomas where he eventually became the Abbot.

Bowler, Peter J., 1989, The Mendelian Revolution, The Athlone Press, London.
Dunn, L. C., 1965, A Short History of Genetics, McGraw-Hill, Inc., New York.
Iltis, Hugo, 1932, Life of Mendel, W. W. Norton & Company, Inc., London.
Moore, John, A., 1985, Science as a Way of Knowing, American Society of Zoologists, Thousand Oaks.
Olby, Robert C., 1966, Origins of Mendelism, Constable and Company Ltd., London.
Orel, Vitezslav, 1996, Gregor Mendel, the First Geneticist, Oxford University Press, Oxford.
Portugal, Franklin H., and Cohen, Jack S., 1977, A Century of DNA: A History of the Structure and Function of the Genetic Substance, The Massachusetts Institute of Technology, Cambridge, Massachusetts.
Stern, Curt, and Sherwood, Eva, R., ed., 1966, The Origin of Genetics: A Mendel Source Book, W. H. Freeman and Company, San Francisco.
Stubbe, Hans, 1972 (English Translation), History of Genetics, The Massachusetts Institute of Technology, Cambridge, Massachusetts.
Sturtevant, A. H., 1965, A History of Genetics, Harper & Row, Publishers, New York.