Table I.

Inheritance of mutant SEC8 alleles

Natural Self-Cross of SEC8 Heterozygotes	SEC8 Allele	No. of Crosses	No. of Progeny	Genotypes of Progeny			χ2	P
				+/+	+/ma	m/m
				25%	50%	25%	Expected
	m1	3	180	52%	48%	0%	127.5	≤0.001
	m2	4	216	50%	50%	0%	106.0	≤0.001
	m3	6	267	47%	53%	0%	119.8	≤0.001
	m4	8	260	28%	49%	23%	1.472	NSb
	m5	3	85	24%	47%	29%	0.832	NS
	m6	2	78	19%	58%	23%	3.178	NS
Outcross of SEC8 Heterozygotes	SEC8 Allele	No. of Crosses	No. of Progeny	Genotypes of Progeny			χ2	P
				+/+	+/ma	m/m
				50%	50%	–	Expected
Pollen source: +/+; pollen recipient: +/m	m1	4	157	47%	53%		0.516	NS
	m2	3	90	54%	46%		0.711	NS
	m3	3	101	50%	50%		0.010	NS
	m4	5	157	51%	49%		0.057	NS
	m5	4	147	52%	48%		0.333	NS
	m6	6	159	52%	48%		0.308	NS
Pollen source: +/m; pollen recipient: +/+	m1	4	150	100%	0%		150.0	≤0.001
	m2	3	71	100%	0%		71.0	≤0.001
	m3	3	105	100%	0%		105.0	≤0.001
	m4	10	577	82%	18%		238.5	≤0.001
	m5	6	235	78%	22%		75.27	≤0.001
		m6	6	157	69%	31%		22.17	≤0.001

^aMutant sec8 allele.

^bNS, Not significantly different.