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Table 1 Observable numbers of recombination events between two biallelic tetraploid markers

From: PERGOLA: fast and deterministic linkage mapping of polyploids

 

AAAA

AAAB

AABB

ABBB

BBBB

AAAA

0

1

2

3

4

AAAB

1

0

1

2

3

AABB

2

1

0

1

2

ABBB

3

2

1

0

1

BBBB

4

3

2

1

0

  1. A and B are the major and minor alleles, respectively. Higher numbers of recombination are possible due to double crossovers (i.e. AAAA /AAAA could be 2 or 4), but ignored by the heuristic