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germ·plasmalso germ plasm (jûrm′plăz′əm)
1. The genetic material of a species or other related group of organisms, collected for use in study, conservation, and breeding.
2. Germ cells as distinguished from other body cells.
3. The hereditary material of a germ cell.
a. the part of a germ cell that contains hereditary material; the chromosomes and genes
b. the germ cells collectively. Compare somatoplasm
the substance of reproductive cells that contains chromosomes.