<span>The inserted genes may have unexpected harmful effects.</span>
The correct answer is: [A]: "no double bonds" .
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<u>Note</u>: In saturated fatty acids, there is no double bonding between the molecules—which leaves a "gap" ; and saturation with "hydrogen (H)" atoms occur.
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I believe it's oxygenated or oxygen rich blood away from the heart.
PMAT (Prophase,Metaphase,Anaphase, Telophase)