Further Reading
Fehr, W.R. 1987. Principles of cultivar development. Macmillan Publ. Co., New York.
Hain, P. and D.J. Lee. 2002. Backcross Breeding 1 – Basic Gene Inheritance [Online]. Available at https://passel2.unl.edu/view/lesson/60b1638aaaba (verified 12 April 2019)
Lee, D.J. and P. Hain. 2002. Just the facts [Online]. Available at https://passel2.unl.edu/view/lesson/b8d5e17a4a96 (verified 12 April 2019)