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A determinant of an inherited character located in the cytoplasm.
[plasma + gene]
A self-replicating hereditary structure once thought to exist in cytoplasm and function in a manner analogous to, but independent of, chromosomal genes.
plas′ma·gen′ic (-jē′nĭk, -jĕn′ĭk) adj.
plasmagene(plăz′mă-jēn″) [″ + Gr. gennan, to produce]
A cytoplasmic hereditary determiner.