Chromosomal Location of HCA1 and HCA2, Hybrid Chlorosis Genes in Rice

Table 5

Segregation of DNA markers linked with HCA1 and HCA2 in the F₂ population (𝑛=503) derived from the cross between J-147 and IR24. Numbers of chlorotic plants are shown in parentheses.

		Genotypes for RM27404^a on chr. 12			Total	χ ^2 (1 : 2 : 1)	P
		I	H	J
Genotypes	I	38 (0)	60 (0)	22 (22)	120
for	H	94 (0)	139 (0)	37 (0)	270	2.917	0.233
RM25969 on chr. 11	J	37 (0)	66 (0)	10 (0)	113
	Total	169	265	69
	𝜒^2 (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.