Surveying Ancestry Using Autosomal DNA Results

1. Surveying Ancestry using Autosomal DNA Results Matt Dexter @mkdexter Family Tree DNA International Conference 2015

2. To Survey • To View • To Line Up • To Plot Out • To Map

3. A Survey of Ancestry • Parent/Child Shares • Sibling/Cousin Shares • Inclusive Shares by Association • Exclusive Shares with Probability • Example

4. Sharing my Observations • 24 family finder tests (or transfers) • 5 grandchildren (cousins) • 6 grandparents • 4 great grandparents • And more

5. Paired Chromosomes Paternal and Maternal Sides

6. Human DNA – 46 Chromosomes

7. Human DNA – 46 Chromosomes

8. Child-Parent

9. Child - Both Parents

10. 2 Layers Child-Parent

11. Child to Father Map Paternal Side

12. Child to Mother Map Maternal Side

13. Both Lines Appear on the Same Map Paternal Side + Maternal Side

14. Paternal Maternal

15. Daughter Father Mother 10 cM

18. Phasing Separating Paternal and Maternal Sides

19. Sequencing

20. Raw Data Extraction

21. Comparison Chr Pairs Chr Pairs Chr Pairs Chr Pairs Chr Pairs Chr Pairs Chr Pairs

22. Comparison M SIDEP SIDE M SIDEP SIDEM SIDEP SIDE M SIDEP SIDEM SIDEP SIDEM SIDEP SIDEM SIDEP SIDE

23. Child-Parent

24. Child-Mother-Phased

25. Son to Mother PHASED

26. 2 Sides Compounded

27. Recombination Variation

29. M M

30. Recombination gamete gamete father mother RECOMBINED 2 lines to 1 zygote Haploid Cell Diploid Cell Diploid Cell

31. Recombination gamete gamete father mother RECOMBINED 2 lines to 1 zygote Haploid Cell Diploid Cell Diploid Cell 46 23 46 23 46

32. Meiosis Autosomal Pairs Meiosis Cross-Over

33. Variation Between Sides Paternal Grandfather % Paternal Grandmother % Maternal Grandfather % Maternal Grandmother % gson1 23.7% 26.1% 27.6% 22.5% gson2 28.5% 21.3% 20.2% 30.1% gson3 20.4% 29.7% 24.2% 25.8% gdau1 33.9% 15.9% 26.8% 23.3%

34. Comparison M SIDEP SIDE M SIDEP SIDEM SIDEP SIDE

35. Comparison M SIDEP SIDE M SIDEP SIDE P SIDEM SIDE

36. gson1 Father-Paternal Father-Maternal Mother-Paternal Mother-Maternal

37. gdau1 Father-Paternal Father-Maternal Mother-Paternal Mother-Maternal

38. Father’s Maternal Side (maternal grandparents)

40. Daughter1

42. Son1

44. Son2

45. Siblings FIR and HIR Shared Segments

46. Full Sibling Share Half Sibling Share

47. Full Sibs From Gedmatch.com FIR HIR

48. From Gedmatch.com ½ SiblingsHIR

49. M SIDEP SIDE M SIDEP SIDE

50. gSon1 gDau1

51. M O G M G B gson1 gdau1

52. M O G M G B gson1 gdau1

53. gSon1 gDau1 (full sibs)

54. 4 Sides Compounded

55. gSon1 gDau1 (full sibs) Full Identical Region

56. Cousins Anatomy of Cousin Shares

57. gson1-gson3 1st cousins

59. M SIDEP SIDEM SIDEP SIDE

60. M SIDEP SIDEM SIDEP SIDE

61. Great Grandmother M SIDE

62. gson1-pggm1 gson3-pggm1

63. gson1-gson3 segment-pggm1

64. gson1-gson3 segment-pggf1

65. gson1-gson3 segment-pggf2

68. gson1-gson3 1st cousins

69. gdau1-pggm1 gson5-pggm1

70. gdau1-pggm1 gson5-pggm1

71. Common Ancestors Finding Common Denominators

72. gdau1 gson5

74. ??

75. Margaret Cyrus William Rutherford

76. Adkins William Rutherford (brick wall) b.1832 Margaret Cyrus (spouse) b.1838 Joseph Rutherford b. 1730 Elizabeth Adkins b.1745 William Adkins (Elizabeth’s father) b. 1721 Ledca Lydia Owens (Elizabeth’s mother) b. 1724

77. Adkins William Rutherford (brick wall) b.1832 Margaret Cyrus (spouse) b.1838 Joseph Rutherford b. 1730 Elizabeth Adkins b.1745 William Adkins (Elizabeth’s father) b. 1721 Ledca Lydia Owens (Elizabeth’s mother) b. 1724

79. Compounded Ancestry Segments

80. Custer George Custer b.1786 Henrietta Perrifield b.1793 Maria Elizabeth Custer b.1782 Adam Gross b.1774 Johannes Custer (Father) b.1741 Katherine Gohn (Mother) b. 1740

81. Association Inclusive and Unknown

82. Mother Child MatchMatch Mother Child 25 cM Highly Probable Maternal When Inclusive to Mother

83. Untested Maternal Grandparents Mapping Ancestry

84. Mapping Ancestry Tested Relatives To Maternal Grandparents

85. Grandfather’s Side Mapping Ancestry

86. Grandmother’s Side Mapping Ancestry

87. Child-Mother’s closest relatives Mother’s Paternal via Grandfather Mother’s Maternal via Grandmother

88. Maternal Side UNKNOWN

89. Match to Mother (add to map) No Match to Mother = UNKNOWN

90. Probability Highly vs. Least Probable

92. Mother Child MatchMatch Mother Child 25 cM Highly Probable Maternal When Inclusive to Mother

93. Mother Child MatchMatch Child Highly Probable Paternal When Exclusive to Mother 25 cM

94. Mother Child MatchMatch Child 12 cM Probably Paternal When Exclusive to Mother

95. Mother Child MatchMatch Child 8 cM 50-50 Chance Paternal When Exclusive to Mother

96. Mother Child Match 3 cM Unknown if Paternal When Exclusive to Mother

97. Dale Finding his Father (used with permission)

98. • Dual layered (sides) • Inclusive and Unknown • Probability

99. Closest YDNA matches (Bumpass)

100. Truelock Davis

102. KNOWN MATERNAL SIDE

103. Closest Cousin Match

104. Aunt Doesn’t Match

105. Chromosome 4 = 28.35cM, 6.51cM Chromosome 9 = 37.65cM Chromosome 15 = 24.43cM

107. Dale’s possible paternal tree

108. 3rd Closest Cousin Match

109. Aunt Matches

110. Sent for a Test

111. RELATED AS COUSINS!

112. TRUELOCK-SMITH cousins

113. End

114. End

Surveying Ancestry Using Autosomal DNA Results

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Surveying Ancestry Using Autosomal DNA Results