In a manner relating to the genetics of cells and chromosomal inheritance.
From 'cytogenetic' or 'cytogenetical' plus the adverbial suffix '-ly', creating an adverb that describes how something occurs from a cellular-genetic perspective.
Adding '-ly' to an already complex adjective like 'cytogenetical' creates a term that sounds almost impossibly formal—but it lets scientists specify that they're speaking about something specifically from the cytogenetic viewpoint.
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