TRUE OR FALSE: genetic engineering

In 1996, British scientists created the first cloned sheep, named Dolly.

• True

• False

In 2002, scientists created glow-in-the-dark mice by injecting single-celled mouse embryos with a virus that contained a jellyfish gene for green fluorescence.

• True

• False

In 2009, researchers at the University of Alberta in Canada created a line of cows that produces 25% less smelly farts than the average cow

• True

• False

In 2012, scientists at the University of Wyoming engineered spiders to produce goat milk.

• True

• False

AquaBounty Tech created modified a salmon that contains a gene from the Chinook salmon that makes it grow much slower than usual.

• True

• False

South Korean scientists used a gene editing technology called a TALEN to tweak the genes in pigs to make them produce much more muscle.

• True

• False

Geneticist George Church of Harvard University and his colleagues recently modified more than 60 genes in pig embryos, in an effort to make the animals suitable donors for human organ transplants.

• True

• False

Scientists at the University of Washington are engineering poplar trees that can clean up contamination sites by absorbing groundwater pollutants through their leaves.

• True

• False

Scientists have taken the gene that programs poison in scorpion tails and combined it with cabbage to limit pesticide use while still preventing caterpillars from damaging cabbage crops.

• True

• False

The California-based company Calgene hoped to slow the ripening process of the potato to prevent softening and rotting, while allowing the potato to retain its natural flavor and color.

• True

• False