PUNNETT SQUARES Name __________________________________ Intermediate Science Date __________________ PART I VOCABULARY TO KNOW: http://www.kumc.edu/gec/glossnew.html Period ________ Dominant alleleRecessive alleleGenotypePhenotypeCodominance (rare) (http://study.com/academy/lesson/codominance-definition-example-quiz.html) Incomplete Dominance (rare) (http://biology.about.com/od/geneticsglossary/g/incompletedom.htm From Your science book (pg 130) 1. What is the allele for purple flowers? _______________ 2. What is the allele for white flowers? ________________ 3. What is the appearance (color, phenotype) of the following allele combinations? PP = _________________ Pp = _________________ pp = _________________ https://www.youtube.com/watch?v=YJHGfbW55l0 4. Is the trait of snapdragon flower color an example of codominance, incomplete dominance, or dominance? Why? 5. Is the trait of speckled chickens an example of codominance, incomplete dominance, or dominance? Why? 6. What are non-mendelian traits? 7. Is a hairless guinea pig an example of a mendelian trait? Why or why not? 8. In snap dragons RR x rr would create what colored flowers? 9. In snap dragons Rr x Rr would create what colored snapdragons? 1|Page 10. In chickens BB x WW would create what colored chickens? 11. What is a polygenic trait? Name 2 examples of polygeneic traits in humans. https://www.youtube.com/watch?v=9O5JQqlngFY 12. Is the trait of human blood types an example of codominance, incomplete dominance, or dominance? Why? 13. What are the 4 different blood types? 14. What blood type is naked? 15. What blood type can get donated to all the 4 blood types? 16. What blood types can be donated to someone with AB blood? https://www.youtube.com/watch?v=d4izVAkhMPQ 17. Is the trait of rabbit fur color an example of codominance, incomplete dominance, or dominance? Why? PART II on back PART II VOCABULARY TO KNOW: http://www.kumc.edu/gec/glossnew.html Homozygote-. HeterozygoteGenetics and Heredity Webquest 2|Page 1. There are 2 websites listed here. 2. For each link, there are questions and directions below. Link #1 – Virtual Genetics Punnett Squares http://www.mhhe.com/biosci/genbio/virtual_labs/BL_05/BL_05.html 1. Read through Objectives and Instructions on the left. It’s very important that you read these before beginning. 2. Click on the TV for a review of how punnett squares work. 3. Click on the notebook on the table to complete genetics crosses. After you complete each cross, record your results in the data table below. Hit Reset for the next problem in the set. There are 10 scenarios total, you need to do scenarios 7, 8, 1, 9 and 5. 3|Page Scenario Number Genotype of Parent 1 Genotype of Parent 2 % Homozygous and Heterozygous % Phenotype 7 8 1 9 5 4|Page Link #3 – Inheritance Practice Quiz 1. Click to enter the site - http://anthro.palomar.edu/practice/mendqui2.htm 2. Answer each question. Record the correct answer, an explanation and your work here: Question Answer Explanation 1 2 3 4 5 6 5|Page
