GENETICS treasure hunt

Gregor Mendel:

1. Why is Gregor Mendel called the "Father of Genetics"?

Sex-Linked Traits:

12. What makes a trait sex-linked? Name two examples of a sex-linked trait.

13. Cross a normal vision father with a colorblind mother.

14. What are the genotypic and phenotypic ratios of the offspring?

Law of Dominance:

2. Describe Mendel's Law of Dominance (Mendel's First Law of Heredity).

Incomplete dominance:  

15. What is incomplete dominance?

16. Cross a red flower with a white flower but use RR (red) and R'R' (white) instead of RR (red) and WW (white).

17. What are the genotypic and phenotypic ratios of the offspring?

 

Dominant and Recessive Alleles:
 

3. What is a dominant allele?

4. What is a recessive allele?

Co-dominance:

18. What is co-dominance?

19. Cross a homozygous white cow with a roan bull .

20. What are the genotypic and phenotypic ratios of the offspring?

Monohybrid Cross Punnett Squares:

5. Cross a heterozygous tall pea plant with a short pea plant.

6. What are the genotypic and phenotypic ratios of the offspring?

Multiple Alleles:

21. What are multiple alleles?

22. Cross a woman with type O blood with a man with type AB blood.

23. What are the genotypic and phenotypic ratios of the offspring?

Law of Segregation:

7. Describe Mendel's Law of Segregation (Mendel's Second Law of Heredity).

Polygenic Traits:

24. What are polygenic traits?

Dyhibrid Cross Punnett Squares:

8. What are the gametes formed from a heterozygous yellow, heterozygous smooth pea plant.
 

9. Cross a YySs with another YySs.

10. What are the genotypic and phenotypic ratios of the offspring?

Autosomal Pedigrees:

25. What is a pedigree?

26. What do the circles represent? What do the squares represent?

Law of Independent Assortment:

11. Describe Mendel's Law of Independent Assortment (Mendel's Third Law of Heredity).

Sex-linked Pedigrees:

27. How can you recognize a pedigree as being sex-linked recessive?