karl-1 X karl-1 heterokaryons stained with Giemsa.
(A) haploid karl-i cells.
(B) diploid karl-i X karl-i cells.
(C-G) karl-i X karl-i heterokaryons. In
(E) two nuclei are dividing synchronously in the bridge between mother and daughter cells.
In (F) two nuclei are dividing synchronously, but only one is in the division bridge.
In(G) only two of the four nuclei in a tetrakaryon are dividing synchronously.
X1080.