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polaritet znakova
The states of characters used in a cladistic analysis, either original or derived.Original characters are those acquired by an ancestor deeper in the phylogeny than the most recent common ancestor of the taxa under consideration. Derived characters are those acquired by the most recent common ancestor of the taxa under consideration.
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行业/领域: 卫生保健 类别
Robert G Edwards
Dobitnik Nobelove nagrade za fiziologiju 2010. godine, dr Robert Edward, zajedno s pokojnim dr Patrickom Steptoeom razvio je in-vitro oplodnju (IVF) ...