. 2003 Feb 1;31(3):922–934. doi: 10.1093/nar/gkg182

Table 3. Efficiency of HAC formation by different alphoid DNA arrays.

Alphoid DNA construct	Chromosome origin	Size of array (kb)	Type of array	Frequency of HAC-positive colonies	% of cells with HAC in the colony
YAC/BAC11	22	140	A^a	2/16	20; 80^b
YAC/BAC3	ΔYq74	140	A^a	0/28
Pac_7c5^c	21	70	A+B^a	8/10	80^d

^aArrays with HOR structures.

^bEach individual colony contains either 20 or 80% of cells with HAC.

^cPac_7c5 construct was used as a positive control (11).

^dThe eight positive colonies with ≥80% of cells with HAC. Pac_7c5 HACs were not validated.