Article
Phylogenetically Widespread Polyembryony in Cyclostome Bryozoans and the Protracted Asynchronous Release of Clonal Brood-Mates.
PloS one - 1 Jan 2017
Jenkins Helen L, Waeschenbach Andrea, Okamura Beth, Hughes Roger N, Bishop John D D
Abstract excerpt
Polyembryony-the production of multiple cloned embryos from a single fertilised egg-is a seemingly paradoxical combination of reproductive modes that nevertheless persists in diverse taxa. We document features of polyembryony in the Cyclostomata (Bryozoa)-an ancient order of modular colonial marine invertebrates-that suggest a substantial reduction in the paradoxical nature of this enigmatic reproductive mode....
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