Table 2.

Pedigree characteristics based on country of origin

	USA	Guatemala	Costa Rica	Mexico	Total
Pedigrees	120	25	146	199	490
Trios	32	8	64	84	188
1 parent/1 offspring	8	0	6	9	23
1 parent/2 offspring	22	4	7	14	47
1 parent/3 offspring	27	5	14	17	63
1 parent/4 offspring	8	1	8	4	21
1 parent/5 or more offspring	3	1	11	3	18
0 parents/1 offspring	1	0	5	2	8
0 parents/2 offspring	6	0	4	2	12
0 parents/3 offspring	6	0	6	6	18
0 parents/4 offspring	5	2	7	9	23
0 parents/5 or more offspring	6	0	13	5	24