Genes % Recombination Map Units
      Value S.E. Ref Value S.E. Ref
Chromosome 4A (VIII)
4AS                
  Adh- B1- cent 20.0 3.5 {1197} 21.2 4.2 .
  Hd- cent 7.7 3.7 {1195} . . .
                 
4AL                
cent- Lr30 2.9 1.3 {315} . . .
  cent- Lr28 39.2 2.7 {967} 52.8 7.0 .
  Sr7a- Hd I . {671} . . .
                 
Chromosome 4B {IV}
4BS                
  ms1b- cent I . {064} . . .
  ms1b- Lr25 34 . {064} 41.5 . .
  ms1c- cent I . {064} . . .
ms1c- Lr25 20 . {064} 21.0 . .
  Adh-Ala- Gai/Rht-B1 23.1 4.0 {1442} 25.0 5.1 .
Gai1- Gai3 0 . {406} . . .
  Rht-B1/Gai1 cent 15 3 {980} . . .
  Rht-B1- ß-Amy-A1 I . {008} . . .
.. @ß-Amy-A1 - cent >35 {008} 43.4 . . .
  pa- H1 . . . 29 2.6 {921}
  Hl - Pa . . . 30 . {042}
Gene order: @ Adh - Rht-B1 - cent {1442}.
                 
4BL                
cent- Lr25/Pm7 1 . {271} . . .
  cent- Hp 30 . {275} 34.7 . .
  cent- ß-Amy-A1 35 . {008} 43 . .
Lr25- Pm7 0 . {271} . . .
  Rht1- ß-Amy-A1 I . {008} . . .
                 
Chromosome 4D
4DS                
Ms2- Rht10 0.005 . {805} . . .
  Ms2- cent 31.2 . {807,806} 36.5 . .
Rht2/Gai2 - cent 13 4 {980} . . .
                 
According to {805}, Ms2 and Rht10 were closely linked. However, a translocated recombinant male sterile dwarf was isolated.
Gibberellic insensitivity in Ai-Bian 1 possessing Rht10 was allelic with Rht2 {114}. It is therefore likely that Rht10 and Rht2 are allelic.
                 
4DL                
  Rht2- ß-Amy-D1 I . {008} . . .
  @ cent- ß-Amy-D1 >35 . {008} >43.4 . .
Alt2- Kna1 . . . 12.5 . {848}