hexasomeEtymologyProbably formed by the combination of hexa- + -some, after the earlier hexasomic (1922) and hexasomy (1939).hexasome means Any one of six homologous chromosomes in an aneuploid complement. Lexicurio rates it Rare gem — a strength score of 73 out of 100.nounAny one of six homologous chromosomes in an aneuploid complement.“FACT enables the displacement of the histone H2A/H2B dimer from the nucleosome octamer, leaving a “hexasome” on the DNA.”