macromutation
macromutation A mutation that has very large phenotypic (see phenotype) effects (e.g. a mutation affecting early ontogeny). Macromutations have been proposed as the leading mechanism of evolution, as in the ‘hopeful monster’ hypothesis.
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bradytely , bradytely An exceedingly slow rate of evolution, manifest by slowly evolving lineages which survive much longer than would normally be expected. Livi… Hygroscopic Nucleus , hygroscopic nucleus Microscopic particle (e.g. of sulphur dioxide, salt, dust, or smoke) in the free air, on which water vapour may condense to form… Alum , alum (ăl´əm), any one of a series of isomorphous double salts that are hydrated sulfates of a univalent cation (e.g., potassium, sodium, ammonium, ce… Hepatomegaly , hepatomegaly Enlargement of the liver as a result of congestion (e.g. in heart failure), inflammation or fatty infiltration (as in kwashiorkor).
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macromutation