Table I. Summary of the results of the analysis of Sycp3^−/−, Smc1β^−/−, and Sycp3^−/−Smc1β^−/− mice.

Phenotype	wt	Smc1β−/−	Sycp3−/−	Sycp3−/−Smc1β−/−	Comments
Cohesin staining	Continuous	Continuous	Gaps	Gaps	DKO = Sypc3−/−
Core length (μm)	11.93	7.28	22.9	18.35	DKO not identical to any SKO
Loop length (mean)	Normal	Normal	Two times shorter	Normal	DKO = Smc1β−/−
Loop length (extensions)	No	Yes	No	Yes	DKO = Smc1β−/−
Asynapsis (%)	None	9.3	Rare	11.63	DKO = Smc1β−/−
Univalents in dictyate (%)	0–0.7	3–12	3–14	9–20	DKO = Sycp3−/− + Smc1β−/−
Oocyte loss	None	Some	Some	Faster	DKO = Sycp3−/− + Smc1β−/−