Unintended Effects of Genetic Manipulation
Intended Effect: Improved Food and Feed Quality (Animals)
pig_003:
Transgenic pigs with elevated levels of growth hormone were
infertile, pre-diabetic, and experienced joint problems.
Intended Effect: Improved Food and Feed Quality (Plants)
Improved Feed Quality - Accumulation of Anthocyanins
alfalfa_001:
Alfalfa with corn transgenes for anthocyanin (red-purple pigment)
production was not visibly altered or changed dependent on different
light and temperature conditions.
Improved Feed Quality - Reduced Lignin Content
alfalfa_002:
Plant height and flowering were altered in alfalfa genetically
engineered to reduce lignin content.
Improved Food Quality - More Attractive Color
sugarcane_002:
Sugarcane engineered to reduce polyphenol oxidase (PPO) activity had
greater PPO activity, even without the transgene.
Improved Food Quality - Nutrition
barley_002:
Transgenic barley plants over-expressing a zinc transport protein
had smaller seeds and did not accumulate more zinc when grown in
zinc-deficient soil.
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