Download Unit 8 review - Warren County Public Schools

Unit 8 Review
1. Who was the father of genetics?
2. Write the genotype for someone who is homozygous for widow’s peak.
3. Physical characteristics that describe a person’s traits is called a ____________.
4. What chart is used to predict the offspring’s traits in a genetic cross?
5. What is an allele?
6. What is wrong with someone who has hemophilia?
7. What chromosome is associated with a sex linked gene?
8. Why are sex linked disorders more common in males?
9. What blood type is the most common?
10. What is the genotype of someone with heterozygous type A blood?
11. What specimen did Mendel use in his experiments?
12. Name Mendel’s Laws.
13. What does a circle represent in a pedigree?
14. Draw a marriage as shown in a pedigree.
15. What is the treatment for someone with hemophilia?
16. Capital letters in a genotype represent a __________gene.
17. If two apples that are heterozygous red are crossed, what is the phenotype ratio of
the offspring?
18. What are the offspring called that are produced from the parent cross?
19. What does a square represent in a pedigree?
20. What treatment is there for someone with colorblindness?
21. What is the least common blood type?
22. Write the genotype of someone with type O blood.
23. How many traits are crossed in a monohybrid cross?
24. Name three human traits that are dominantly inherited.
25. Why can paternity not be proven with a blood type test?
26. A shaded individual in a pedigree (possesses or does not possess) the trait.
27. Why do humans not make good test subjects for genetic experiments?
28. Name three human traits that are recessively inherited.
29. How many alleles are there for most traits?
Where do you inherited them from?
30. What is a hereditary trait?
31. What does the term heterozygous mean?
32. How can you determine if a person is heterozygous or homozygous for a trait?
33. Name a sex linked trait.
34. A man that has a sex linked trait, inherited it from his _________.
35. A woman that has a sex linked trait inherited it from____________________.
36. What is a lethal trait?
37. What are the three possible genotypes for any trait?
38. Draw the following pedigree: Chris and Sarah have been married for 8 years. They
have three beautiful children: Sammy, Suzy, and Sybil. Their youngest child, Steve,
died at birth from a defect.
39. Which two blood types when crossed produce any of the possible types?
40. What is an Rh factor?
How is it inherited?
40. What insect was instrumental in the discovery of sex linked traits in humans?