(black)

4. (black) Dominant allele with recessive lethality

5. 1 gene with 2 alleles we’ve seen 4 cases: Dominant allele with recessive lethality 1 AA : 2 Aa : 1 aa complete dom/rec dom dom rec incomplete dominance dom blend dom-rec rec codominant dom1 dom1+ dom2 dom2 recessive lethal (dom. marker) dead dom rec

6. IC. Genes with multiple alleles 1 Gene with 3 alleles IA & IB are co-dominant; i is recessive

7. IC. Genes with multiple alleles Hierarchy of dominance: C > cch > ch > c

8. IC. Genes with multiple alleles chinchilla cch

9. IC. Genes with multiple alleles chinchilla cch

10. IC. Genes with multiple alleles chinchilla cch himalayan ch

11. IC. Genes with multiple alleles Hierarchy of dominance: C > cch > ch > c

12. IC. Genes with multiple alleles

13. IC. Genes with multiple alleles A short list of the 1587 known mutant alleles of the Drosophila melanogaster eye color gene w (white)

14. ID. Two genes, interacting Back to 2 genes TIME

18. ID. Two genes, interacting

19. A/A ; B/B a/a ; b/b A/a ; B/b self-cross A/_ ; B/_ A/_ ; b/b a/a ; B/_ a/a ; b/b

22. ww m+ & m

23. Coat color: Genes A, B, C, D, E, S

24. A

25. AY

26. B

27. cc C

28. C

29. C

30. D

31. E

32. E

33. II. Mention epistasis versus suppression

34. S

35. III. Genotype -> Phenotype . . . but with interactions of unknown other genes, environment, + . . .

40. Lack of Penetrance Variable Expressivity Lack of Penetrance

43. .4