The most common and most likely answer to this crossword clue is the 10 letter word TRANSGENIC
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More clues leading to the result TRANSGENIC
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The cryptic/wordplay part
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What does TRANSGENIC mean?
TRANSGENIC noun- An organism whose genome has been genetically modified.
- Of, or pertaining to an organism whose genome has been changed by the addition of a gene from another species; (of an organism) whose genome has been changed by such addition, genetically modified.