Scientists have spliced the dna of certain cabbage species with that of a scorpion, causing the cabbage leaves to have a very tiny amount of poison, just like the scorpion produces. the poison in the cabbage leaves is enough to kill caterpillars that try to eat it but it has no effect on humans. this is an example of what? a. gene therapy b. selective breeding c. genetic engineering

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under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?