Labrador Retriever Coat Color Inheritance

The following are the 81 possible crosses between Sire and Dam for coat color and the anticipated litter outcome:

KEY ~

[Sire's genotype/color] X [Dam's genotype/color] = Frequency of genotypes within the litter ~ Percentage breakdown of color expression within the litter [phenotype]

1. EEBB(black) X EEBB(black) = genotype: all EEBB---phenotype: all black puppies

2. EEBB(black) X EeBB(black/yellow carrier) = genotype: 1/2 EEBB + 1/2 EeBB---phenotype: all black puppies

3. EEBB(black) X EEBb(black/choc carrier) = genotype: 1/2 EEBB + 1/2 EEBb---phenotype: all black puppies

4. EEBB(black) X EeBb(black/yellow & choc carrier) = genotype: 1/4 EEBB + 1/4 EeBB + 1/4 EEBb + 1/4 EeBb---phenotype: all black puppies

5. EEBB(black) X eeBB(yellow/black carrier) = genotype: all EeBB---phenotype: all black puppies

6. EEBB(black) X eeBb(yellow/black & choc carrier) = genotype: 1/2 EeBB + 1/2 EeBb---phenotype: all black puppies

7. EEBB(black) X eebb(yellow/choc carrier) = genotype: all EeBb---phenotype: all black puppies

8. EEBB(black) X EEbb(choc) = genotype: all EEBb---phenotype: all black puppies

9. EEBB(black) X Eebb(choc/yellow carrier) = genotype: 1/2 EEBb + 1/2 EeBb---phenotype: all black puppies

10. EeBB(black/yellow carrier) X EEBB(black) = see # 2.

11. EeBB(black/yellow carrier) X EeBB(black/yellow carrier) = genotype: 1/4 EEBB + 1/2 EeBB + 1/4 eeBB---phenotype: 75% black pups + 25% yellow pups

12. EeBB(black/yellow carrier) X EEBb(black/choc carrier) = genotype: 1/4 EEBB + 1/4 EEBb + 1/4 EeBB + 1/4 EeBb---phenotype: all black puppies

13. EeBB(black/yellow carrier) X EeBb(black/yellow & choc carrier) = genotype: 1/8 EEBB + 1/8 EEBb +1/4 EeBB + 1/4 EeBb + 1/8 eeBB + 1/8 eeBb---phenotype: 75% black pups + 25% yellow pups

14. EeBB(black/yellow carrier) X eeBB(yellow/black carrier) = genotype: 1/2 EeBB + 1/2 eeBB---phenotype: 50% black pups + 50% yellow pups

15. EeBB(black/yellow carrier) X eeBb(yellow/black & choc carrier) = genotype: 1/4 EeBB + 1/4 EeBb +1/4 eeBB + 1/4 eeBb---phenotype: 50% black pups + 50 % yellow pups

16. EeBB(black/yellow carrier) X eebb(yellow/choc carrier) = genotype: 1/2 EeBb + 1/2 eeBb---phenotype: 50% black pups + 50% yellow pups

17. EeBB(black/yellow carrier) X EEbb(choc) = genotype: 1/2 EEBb + 1/2 EeBb---phenotype: all black puppies

18. EeBB(black/yellow carrier) X Eebb(choc/yellow carrier) = genotype: 1/4 EEBb + 1/2 EeBb + 1/4 eeBb---phenotype: 75% black pups + 25% yellow pups

19. EEBb(black/choc carrier) X EEBB(black) = see # 3.

20. EEBb(black/choc carrier) X EeBB(black/yellow carrier) = see # 12.

21. EEBb(black/choc carrier) X EEBb(black/choc carrier) = genotype: 1/4 EEBB + 1/2 EEBb + 1/4 EEbb---phenotype: 75% black pups + 25% choc pups

22. EEBb(black/choc carrier) X EeBb(black/yellow & choc carrier) = genotype: 1/8 EEBB + 1/4 EEBb + 1/8 EeBB + 1/4 EeBb + 1/8 EEbb + 1/8 Eebb---phenotype: 75% black pups + 25% choc pups

23. EEBb(black/choc carrier) X eeBB(yellow/black carrier) = genotype: 1/2 EeBB + 1/2 EeBb---phenotype: all black puppies

24. EEBb(black/choc carrier) X eeBb(yellow/black & choc carrier) = genotype: 1/4 EeBB + 1/2 EeBb + 1/4 Eebb---phenotype: 75% black pups + 25% choc pups

25. EEBb(black/choc carrier) X eebb(yellow/choc carrier) = genotype: 1/2 EeBb + 1/2 Eebb---phenotype: 50% black pups + 50% choc pups

26. EEBb(black/choc carrier) X EEbb(choc) = genotype: 1/2 EEBb + 1/2 EEbb---phenotype: 50% black pups + 50% choc pups

27. EEBb(black/choc carrier) X Eebb(choc/yellow carrier) = genotype: 1/4 EEBb + 1/4 EeBb + 1/4 EEbb + 1/4 Eebb---phenotype: 50% black pups + 50% choc pups

28. EeBb(black/yellow & choc carrier) X EEBB(black) = see # 4.

29. EeBb(black/yellow & choc carrier) X EeBB(black/yellow carrier) = see # 13.

30. EeBb(black/yellow & choc carrier) X EEBb(black/choc carrier) = see # 22.

31. EeBb(black/yellow & choc carrier) X EeBb(black/yellow & choc carrier) = genotype: 1/16 EEBB + 1/8 EEBb + 1/8 EeBB + 1/4 EeBb + 1/16 eeBB + 1/8 eeBb + 1/16 eebb + 1/16 EEbb + 1/8 Eebb---phenotype: 55% black pups + 25% yellow pups + 20% choc pups

32. EeBb(black/yellow & choc carrier) X eeBB(yellow/black carrier) = genotype: 1/4 EeBB + 1/4 EeBb + 1/4 eeBB + 1/4 eeBb---phenotype: 50% black pups + 50% yellow pups

33. EeBb(black/yellow & choc carrier) X eeBb(yellow/black & choc carrier) = genotype: 1/8 EeBB + 1/4 EeBb + 1/8 eeBB + 1/4 eeBb + 1/8 eebb + 1/8 Eebb---phenotype: 50% yellow pups + 38% black pups + 12% choc pups

34. EeBb(black/yellow & choc carrier) X eebb(yellow/choc carrier) = genotype: 1/4 EeBb + 1/4 Eebb + 1/4 eeBb + 1/4 eebb---phenotype: 25% black pups + 50% yellow pups + 25% choc pups

35. EeBb(black/yellow & choc carrier) X EEbb(choc) = genotype: 1/4 EEBb + 1/4 EeBb + 1/4 EEbb + 1/4 Eebb---phenotype: 50% black pups + 50% choc pups

36. EeBb(black/yellow & choc carrier) X Eebb(choc/yellow carrier) = genotype: 1/8 EEBb + 1/4 EeBb + 1/8 eeBb + 1/8 eebb + 1/8 EEbb + 1/4 Eebb---phenotype: 37.5% black pups + 25% yellow pups + 37.5% choc pups

37. eeBB(yellow/black carrier) X EEBB(black) = see # 5.

38. eeBB(yellow/black carrier) X EeBB(black/yellow carrier) = see # 14.

39. eeBB(yellow/black carrier) X EEBb(black/choc carrier) = see # 23.

40. eeBB(yellow/black carrier) X EeBb(black/yellow & choc carrier) = see # 32

41. eeBB(yellow/black carrier) X eeBB(yellow/black carrier) = genotype: all eeBB---phenotype: all yellow puppies

42. eeBB(yellow/black carrier) X eeBb(yellow/black & choc carrier) = genotype: 1/2 eeBB + 1/2 eeBb---phenotype: all yellow puppies

43. eeBB(yellow/black carrier) X eebb(yellow/choc carrier) = genotype: all eeBb---phenotype: all yellow puppies

44. eeBB(yellow/black carrier) X EEbb(choc) = genotype: all EeBb---phenotype: all black puppies

45. eeBB(yellow/black carrier) X Eebb(choc/yellow carrier) = genotype: 1/2 EeBb + 1/2 eeBb---phenotype: 50% black pups + 50% yellow pups

46. eeBb(yellow/black & choc carrier) X EEBB(black) = see # 6.

47. eeBb(yellow/black & choc carrier) X EeBB(black/yellow carrier) = see # 15.

48. eeBb(yellow/black & choc carrier) X EEBb(black/choc carrier) = see # 24.

49. eeBb(yellow/black & choc carrier) X EeBb(black/yellow & choc carrier) = see # 33

50. eeBb(yellow/black & choc carrier) X eeBB(yellow/black carrier) = see # 42.

51. eeBb(yellow/black & choc carrier) X eeBb(yellow/black & choc carrier) = genotype: 1/4 eeBB + 1/2 eeBb + 1/4 eebb---phenotype: all yellow puppies

52. eeBb(yellow/black & choc carrier) X eebb(yellow/choc carrier) = genotype: 1/2 eeBb + 1/2 eebb---phenotype: all yellow puppies

53. eeBb(yellow/black & choc carrier) X EEbb(choc) = genotype: 1/2 EeBb + 1/2 Eebb---phenotype: 50% black pups + 50% choc pups

54. eeBb(yellow/black & choc carrier) X Eebb(choc/yellow carrier) = genotype: 1/4 EeBb + 1/4 Eebb + 1/4 eeBb + 1/4 eebb---phenotype: 25% black pups + 25% choc pups + 50% yellow pups

55. eebb(yellow/choc carrier) X EEBB(black) = see # 7.

56. eebb(yellow/choc carrier) X EeBB(black/yellow carrier) = see # 16.

57. eebb(yellow/choc carrier) X EEBb(black/choc carrier) = see # 25.

58. eebb(yellow/choc carrier) X EeBb(black/yellow & choc carrier) = see # 34

59. eebb(yellow/choc carrier) X eeBB(yellow/black carrier) = see # 43.

60. eebb(yellow/choc carrier) X eeBb(yellow/black & choc carrier) = see # 52.

61. eebb(yellow/choc carrier) X eebb(yellow/choc carrier) = genotype: all eebb---phenotype: all yellow puppies

62. eebb(yellow/choc carrier) X EEbb(choc) = genotype: all Eebb---phenotype: all choc puppies

63. eebb(yellow/choc carrier) X Eebb(choc/yellow carrier) = genotype: 1/2 Eebb + 1/2 eebb---phenotype: 50% choc pups + 50% yellow pups

64. EEbb(choc) X EEBB(black) = see # 8.

65. EEbb(choc) X EeBB(black/yellow carrier) = see # 17.

66. EEbb(choc) X EEBb(black/choc carrier) = see # 26.

67. EEbb(choc) X EeBb(black/yellow & choc carrier) = see # 35

68. EEbb(choc) X eeBB(yellow/black carrier) = see # 44.

69. EEbb(choc) X eeBb(yellow/black & choc carrier) = see # 53.

70. EEbb(choc) X eebb(yellow/choc carrier) = see # 62.

71. EEbb(choc) X EEbb(choc) = genotype: all EEbb---phenotype: all choc puppies

72. EEbb(choc) X Eebb(choc/yellow carrier) = genotype: 1/2 EEbb + 1/2 Eebb---phenotype: all choc puppies

73. Eebb(choc/yellow carrier) X EEBB(black) = see # 9.

74. Eebb(choc/yellow carrier) X EeBB(black/yellow carrier) = see # 18.

75. Eebb(choc/yellow carrier) X EEBb(black/choc carrier) = see # 27.

76. Eebb(choc/yellow carrier) X EeBb(black/yellow & choc carrier) = see # 36

77. Eebb(choc/yellow carrier) X eeBB(yellow/black carrier) = see # 45.

78. Eebb(choc/yellow carrier) X eeBb(yellow/black & choc carrier) = see # 54.

79. Eebb(choc/yellow carrier) X eebb(yellow/choc carrier) = see # 63.

80. Eebb(choc/yellow carrier) X EEbb(choc) = see # 72.

81. Eebb(choc/yellow carrier) X Eebb(choc/yellow carrier) = genotype: 1/4 EEbb + 1/2 Eebb + 1/4 eebb---phenotype: 75% choc pups + 25% yellow pups