TABLE 2.

Incidence of MI versus MII errors in human oocytes by chromosome (data from Gruhn et al. ¹ and Zielinska et al. ²³ )

Chr.	N	MI error (%)	MII error (%)
1	9	77.8	22.2
2	3	100	0
3	3	100	0
4	7	71.4	28.6
5	5	60.0	40.0
6	4	100	0.0
7	2	50.0	50.0
8	6	100	0
9	0	0	0
10	6	100	0
11	2	100	0
12	1	100	0
13	7	100	0
14	3	100	0
15	3	100	0
16	12	83.3	16.7
17	2	100	0
18	4	75.0	25.0
19	5	100	0
20	6	66.7	33.3
21	6	83.3	16.7
22	9	77.8	22.2
X	4	100	0
Acrocentrics	28	89.3	10.7
Non‐acrocentrics	81	85.2	14.8

Abbreviation: MI, meiosis I; MII, meiosis II.