Table 5

Summary of the results from the Admixture models in STRUCTURE for artificial hybrids and backcrosses:

Admixture proportion to I. elegans cluster

Type of cross

N

≥ 90

(90-68)

(67-21)

(20-11)

≤ 10


F1

50

0

0

50

0

0

F2

50

0

0

50

0

0

1 GB

50

0

0

35

15

0

1 EB

50

0

24

26

0

0

2 EB

50

0

30

20

0

0

3 EB

50

0

40

10

0

0

4 EB

50

0

42

8

0

0


first-generation hybrid (F1; i.e. I. graellsii × I. elegans), second-generation hybrid (F2; i.e. F1 × F1), first backcross with I. elegans (1 EB; i.e. F1 × I. elegans), first backcross with I. graellsii (1 GB; F1 × I. graellsii), second backcross with I. elegans (2 EB; 1 EB × I. elegans), third backcross with I. elegans (3 EB; 2 EB × I. elegans), and forth backcross with I. elegans (4 EB; 3 EB × I. elegans).

Sánchez-Guillén et al. BMC Evolutionary Biology 2011 11:210   doi:10.1186/1471-2148-11-210

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