hexasome

Etymology
Probably formed by the combination of, after the earlier (1922) and  (1939).

Noun

 * 1) Any one of six homologous chromosomes in an aneuploid complement.
 * 2) * 2003, Jesper Q. Svejstrup, “Histones Face the FACT” in Science (New Series) CCCI, № 5,636 (22nd August 2003), page 1,053:
 * FACT enables the displacement of the histone H2A/H2B dimer from the nucleosome octamer, leaving a “hexasome” on the DNA.