1. Genetics Review Game
Mrs. Boguslaw
7th Grade

2. Is the shaded trait dominant or recessive?

3. Using the letter G/g, what is the genotype of someone who is heterozygous?

4. Boy or Girl?
Girl

5. Boy or girl?
Girl

6. What is the genotype? Use any letter.

7. Yes - if both are heterozygous
Brown eyes are dominant to blue eyes. Can two brown eyed parents have a blue eyed child?
Yes - if both are heterozygous

8. What is the genotype? Use any letter.

9. What’s wrong with this karyotype?
3 copies of chromosome 21

10. Using the letter G/g, what is the genotype of someone who is homozygous recessive?

11. How are II-2 and IV-2 related?
Grandmother/Grandson

12. What is the genotype? Use any letter.
T- …not sure!

13. Using the letter G/g, what is the genotype of someone who is homozygous dominant?

14. How are III-1 and III-3 related?
Brothers-in-law

15. Show a Punnett square for a cross between a homozygous dominant tongue-roller and a heterozygous tongue-roller. Use T/t. T T T TT TT Tt Tt t

16. How are I-1 and III-6 related?
Grandfather/Grandson

17. Show a Punnett square for a cross between a homozygous dominant tongue-roller and a non-tongue-roller. Use T/t. T T t Tt Tt Tt Tt t

18. How are III-4 and III-8 related?
Cousins

19. Show a Punnett square for a cross between two heterozygous tongue-rollers. Use T/t.

20. What is the genotype? Use any letter.

21. Show a Punnett square for a cross between a heterozygous tongue-roller and a non-tongue-roller. Use T/t. T t t Tt tt Tt tt t

22. What information is missing in the red box?II IV
III