Assertion: chloroplast's gene | /r/CapableOf | have been of bacterial origin
Facets:
value: originally
type: MANNER
Source sentences:
text: In the cells of extant organisms, the vast majority of the proteins present in the mitochondria (numbering approximately 1500 different types in mammals) are coded for by nuclear DNA, but the genes for some, if not most, of them are thought to have originally been of bacterial origin, having since been transferred to the eukaryotic nucleus during evolution.