Table 5: Segregation of DNA markers linked with HCA1 and HCA2 in the F2 population ( ) derived from the cross between J-147 and IR24. Numbers of chlorotic plants are shown in parentheses.

Genotypes for RM27404a on chr. 12 Totalχ 2 (1 : 2 : 1)P
  IHJ     

GenotypesI38 (0)60 (0)22 (22)120
forH94 (0)139 (0)37 (0)2702.9170.233
RM25969 on chr. 11J37 (0)66 (0)10 (0)113   

  Total16926569
   (1 : 2 : 1)41.211
 P <0.0001    

aI, H, and J respectively denote homozygote for IR24 allele and heterozygote, and homozygote for J-147 allele.