This website has practice problems for all of the types of crosses we will complete in class. You have to scroll down to find them and you will notice they discuss other crosses that we will not cover – do not let these other types of crosses confuse you.
University of Arizona Monohybrid Cross Tutorial: http://www.biology.arizona.edu/mendelian_genetics/problem_sets/monohybrid_cross/01t.html
This website focuses on explaining how to do a monohybrid cross and then has some practice multiple choice questions that follow the tutorial.
Incomplete & Codominance: http://www.hobart.k12.in.us/jkousen/Biology/inccodom.htm
This website discusses how to do an incomplete dominance cross and then has some practice problems where the answers are shown.
Sex-Linked Genes: http://www.ksu.edu/biology/pob/genetics/xlinked.htm
This website from Kansas State University provides practice problems for x-linked traits. As you complete the practice problems, you can click on hints and it will show how the punnett squares should be set up and explain why.
Multiple Alleles: http://www.hobart.k12.in.us/jkousen/Biology/multalle.htm
This website first details what a multiple allele problem is and what it is not. Then it has some sample questions with the answers and explanations listed. You just have to click on the link “answers” in order to see the explanations.
Dihybrid Cross Virtual Activity: http://www.dnaftb.org/5/problem.html
This website is a short tutorial on how to complete a dihybrid cross. It is interactive and explains the different steps to you as you go through the process.
Hopefully you find these helpful