Assertion: dinoflagellate's plastid | /r/HasProperty | unlikely to originated more
Facets:
value: exceedingly
type: DEGREE
Source sentences:
text: Whether the chromalveolate hypothesis turns out to be correct or not, at least the dinokaryotic non-photosynthetic dinoflagellates seem to have had photosynthetic ancestors: photosynthetic and non-photosynthetic forms always make mixed groups in phylogenetic trees, and since the typical dinoflagellate peridinin plastid is exceedingly unlikely to have originated more than once, a repeated loss of photosynthetic ability in the non-photosynthetic groups is a virtual certainty (Saldarriaga et al.