Table 3

Distribution of birth years and numbers of descendants among 554 founders in AGDB4.

Birth year

1≤#(D)<10

10≤#(D)<100

100≤#(D)<1,000

1,000≤#(D)<10,000

10,000≤#(D)

Sum


1666-1715

0

0

3

30

50

83

1716-1765

8

23

58

54

26

169

1766-1815

17

51

66

19

2

155

1816-1865

24

29

19

4

1

77

1866-1915

9

10

7

0

0

26

1916-1965

25

1

0

0

0

26

1966-1985

18

0

0

0

0

18


Total

101

114

153

107

79

554


Birth year cohorts of fifty years are reported in rows, and numbers of descendants #(D) are reported in columns. Founders born earlier have larger numbers of presumed living OOA descendants.

Lee et al. BMC Medical Genetics 2010 11:68   doi:10.1186/1471-2350-11-68

Open Data