Genetics and Heredity — Test

Question 6 • Biology

Which is a potential negative consequence of using genetically engineered medicine?

Answer

Products that are used to genetically engineer medicine are poisonous.

Medicine that is created this way is less effective than medicine that is created the traditional way.

Restriction enzymes are used to create the medicine and have been known to cause cancer.

Gene markers that are resistant to antibiotics are used, providing the possibility for humans to have increased antibiotic resistance.

Explanation

A potential concern is that genetic engineering may use antibiotic-resistance marker genes. If those genes were transferred to bacteria associated with humans, the bacteria could become harder to treat with antibiotics. The other choices make unsupported claims: genetic engineering products are not inherently poisonous, less effective, or cancer-causing because restriction enzymes are used.

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