polyembryony defined in 1951 yearpolyembryony - polyembryony;
polyembryony - (Bot.) Formation of more than one embryo per ovule, often by vegetative budding from pro-embryo (q v.). (Zool.). Formation of more than one embryo per zygote by fission at some early stage of development. E.g. an armadillo (Dasypodus) always has identical quads from a single ovum. Most striking cases are in parasitic Hymenoptera, where up to 2,000 embryos may spring from one zygote. Monozygotic twins are the simplest form of polyembryony.
near polyembryony in Knolik
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