Table 5.

Analysis of chromosome configurations during metaphase I of meiosis of PMCs of five BC₂F₂ hybrids (2n = 42) with an introgression of a 3S^v chromosome pair of Ae. variabilis

Plant number (number of chromosomes)	Number of PMC’s	Mean and range of chromosome configurations at metaphase I
		Bivalents									Univalents
		Rods				Rings				∑	S	AB	R	∑
		∑	AB/AB	R/R	S/S	∑	AB/AB	R/R	S/S
4/6/1 (42)	10	12.4 (10–15)	7.5 (6–9)	4.7 (4–6)	0.2 (0–1)	6.8 (4–9)	4.2 (2–6)	2.1 (1–3)	0.5 (0–1)	19.2 (18–20)	0.6 (0–2)	2.6 (0–4)	0.4 (0–2)	3.6 (2–6)
4/6/3 (42)	10	12.2 (10–15)	7.4 (6–10)	4.7 (4–6)	0.1 (0–1)	6.9 (4–9)	4.0 (2–6)	2.2 (1–3)	0.7 (0–1)	19.1 (17–20)	0.6 (0–2)	3.0 (0–6)	0.2 (0–2)	3.8 (2–8)
4/10/5 (42)	10	12.0 (9–15)	7.1 (5–9)	4.8 (4–7)	0.1 (0–1)	6.8 (2–9)	4.3 (0–7)	1.9 (0–3)	0.6 (0–1)	18.8 (16–21)	0.6 (0–2)	3.2 (0–8)	0.6 (0–4)	4.4 (0–10)
4/10/7 (42)	10	14.0 (10–17)	8.2 (6–12)	5.4 (4–7)	0.4 (0–1)	4.5 (1–9)	2.8 (0–6)	1.5 (0–3)	0.2 (0–1)	18.5 (16–20)	0.8 (0–2)	4.0 (2–8)	0.2 (0–2)	5.0 (2–10)
4/10/8 (42)	10	12.2 (8–17)	6.9 (4–10)	5.0 (4–6)	0.3 (0–1)	5.1 (1–9)	3.9 (0–6)	1.5 (0–3)	0.3 (0–1)	17.3 (9–20)	0.8 (0–2)	5.4 (2–16)	1.2 (0–6)	6.2 (2–12)
mean		12.56 (8–17)	7.42 (4–12)	4.92 (4–6)	0.22 (0–1)	6.14 (1–9)	3.84 (0–7)	1.84 (0–3)	0.46 (0–1)	18.7 (9–20)	0.68 (0–2)	3.40 (0–16)	0.52 (0–6)	4.60 (0–12)
ANOVA	F	1.67	1.05	0.97	0.97	2.21	1.13	1	1.81	1.56	0.12	1.13	1.22	1.56
summary	P	0.173585	0.392246	0.433323	0.433323	0.082983	0.354443	0.417531	0.143525	0.201351	0.974664	0.354443	0.315690	0.201351