The process of transcription and splicing of mrna is shown above. what statement accurately describes these two steps? a) transcription and splicing only occur in eukaryotic cells. transcription and splicing both occur in the nucleus. b) transcription and splicing only occur in prokaryotic cells. transcription and splicing both occur in the cytosol. c) transcription occurs only in prokaryotic cells in the cytosol while splicing occurs only in eukaryotic cell sin the nucleus. d) transcription and splicing only occur in eukaryotic cells. transcription occurs in the nucleus while splicing occurs in the cytosol.