1. Genetics Review
Key Terms

2. What would the genotype be for a person who was homozygous recessive for blond hair.

3. What are different forms for a gene that make you, YOU
What are different forms for a gene that make you, YOU? (tall, dark, curly, freckled)

4. What is the phenotype for Dd?

5. Which is dominant, brown eyes or blue eyes?

6. What is the genotype for a heterozygous person with a widow’s peak?

7. What is an organisms physical appearance or visible traits
What is an organisms physical appearance or visible traits? (What it looks like)

8. Are the offspring below heterozygous or homozygous?Dd
D D d

9. Are the parents below homozygous or heterozygous?Dd
D D d

10. If Patrick is homozygous with pink skin and his wife Patti is heterozygous with yellow skin, which is dominant, Pink skin or Yellow skin?

11. If SpongeBob’s genotype is Ss for pants (S- dominant, s- recessive) what is his phenotype?

12. If L is for attached earlobes and l is recessive for free earlobes, what would a homozygous recessive persons phenotype be?

13. If tongue rolling is dominant, and Andy’s genotype is Rr; what is his phenotype?

14. What does tt show, homozygous recessive or homozygous dominant?

15. Is Gg homozygous or heterozygous?

16. Which is dominant; Widow’s peak or no widow’s peak?

17. What is a genotype for dominant homozygous freckles?

18. What phenotype would Cc produce if C is dominant for curly hair and c is recessive for straight hair?

19. If T is dominant for tall and t is short, what would Tt look like?

20. If D represents dimples and d represents no dimples, what would a person look like with a Dd phenotype?