Carcinomas, sarcomas, lymphomas and blastomas originate from? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a embryonic-, connective-, blood- and epithelial cells, respectively. b connective-, epithelial-, blood- and embryonic cells, respectively. c epithelial-, connective-, blood- and embryonic cells, respectively. d stem cells originate all tumors, benign or malignant.