Table V. Frequency of embryo arrest at different stages of development in the Arabidopsis Athemn1-1 mutant.

Values in parentheses are total ovules present in the silique.

Stage of Embryo	Silique No.								Total
	1	2	3	4	5	6	7	8
Preglobular stage	3	0	1	3	0	2	0	0	9
Globular stage	6	0	9	0	2	2	2	2	23
Initial heart stage	4	5	7	0	0	0	0	0	16
Heart stage	4	11	14	0	1	0	0	1	31
Torpedo stage	0	0	0	4	13	0	0	0	17
Cotyledon stage	0	0	0	0	0	4	5	10	19
Total	17 (34)	16 (34)	31 (35)	7 (35)	16 (34)	8 (32)	7 (35)	13 (33)	115 (272)