Linkage In Tetraploids
See - deWinton, D., and J.B.S. Haldane. 1931. Linkage in
the tetraploid Primula sinensis. J. Genetics 24:121-144.
The are numerous types of linkage relationships in autotetraploids.
| Linkage |
Example |
Gametic
Series |
| Single
coupling |
XY,
xy, xy, xy |
(1-p)XY,
xy:
pXy, xy:
pxY, xy:
(1-p)xy, xy: |
| Single
repulsion |
Xy,
xY, xy, xy |
1Xy,
xy:
pXY, xy:
(2-p)Xy, xy:
(2-p)xY, xy:
(1+p)xy, xy: |
| Asymmetrical
coupling |
XY,
Xy, xy, xy |
(1-p)XY,
Xy:
(2-p)XY, xy:
pXy, xY:
pXy, Xy:
2Xy, xy:
pxY, xy:
(1-p)xy, xy |
| Asymmetrical
repulsion |
Xy,
Xy, xY, xy |
pXY,
Xy:
pXY, xy:
(2-p)Xy, xY:
(1-p)Xy, Xy:
2Xy, xy:
(1-p)xY, xy:pxy, xy |
Copyright
2000©, Ted Helms |