Table 1.

The effect of season on crossover interference in hybrids reared in normal conditions (based on the restricted maximum-likelihood analysis).

Pair of intervals	Coefficient of coincidence ± SE		Effect of season
	Autumn hybrids	Winter hybrids	χ2	p	p (FDR)a
Chromosome X
y–cv–v	0.872 ± 0.123	1.059 ± 0.130	1.083	0.298	0.477
cv–v–f	0.587 ± 0.080	1.115 ± 0.084	19.307	1.1 · 10−5	8.8 · 10−5
Chromosome 2
dp–b–c	1.497 ± 0.097	1.596 ± 0.086	0.589	0.443	0.506
b–c–sp	0.969 ± 0.093	1.271 ± 0.080	5.851	0.016	0.043
pr–c–sp	1.074 ± 0.106	1.353 ± 0.088	3.995	0.046	0.092
Chromosome 3
ru–h–th	1.128 ± 0.118	0.726 ± 0.095	7.110	7.7 · 10−3	0.031
h–th–sr	1.105 ± 0.140	1.041 ± 0.126	0.117	0.732	0.732
h–th–e	0.973 ± 0.111	0.855 ± 0.097	0.653	0.419	0.506

^aFDR-corrected significances p (FDR) < 0.1 are bold.