Modifying Organisms

What is a GMO?

• An organism with foreign DNA

• An organism with missing genes

• A genetically identical organism

• None of the above

Tags

NGSS.HS-LS3-2

Which of the following is NOT a way farmers would traditionally modify plants in the past?

• transgenic manipulation

• saving seeds

• selective breeding

• cross-pollinating

A short sequence of DNA can best be described as a/an ____.

• gene

• chromosome

• genome

• chromatin

What is another term for transgenic manipulation?

• selective breeding

• cross-pollinating

• genetic engineering

• seed saving

The toxin Bt (bacillus thuringiensis) comes from a ____ cell.

• bacteria

• corn plant

• protist

• fungus

What synthetic molecule is used to cut DNA open at a specific location and create sticky ends for the gene of interest to be attached?

• vector or plasmid

• DNA scissors

• restriction enzymes

• DNA helicase

Which sequence below best represents the steps to making a GMO?

• Isolate the gene of interest, add gene of interest to vector, copy vector through mitosis in bacteria cell, add bacteria to plant cells, copy plant cells through mitosis, & test final product after growth period

• Copy vector through mitosis in bacteria cell, isolate the gene of interest, add gene of interest to vector, add bacteria to plant cells, copy plant cells through mitosis, & test final product after growth period

• Add gene of interest to vector, copy vector through mitosis in bacteria cell, add bacteria to plant cells, copy plant cells through mitosis, isolate the gene of interest, & test final product after growth period

• Test final product after growth period, isolate the gene of interest, add gene of interest to vector, copy vector through mitosis in bacteria cell, add bacteria to plant cells, & copy plant cells through mitosis

Which would NOT be a reason to use GM crops?

• Using GM crops can increase crop yields.

• Using GM crops may be able to feed more people faster.

• Using GM crops can reduce use of insecticide sprays.

• Using GM crops can increase pesticide resistance in pests.

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

TRUE or FALSE

The terms “genetically modified” and “genetically engineered” mean different things.

• TRUE

• FALSE

TRUE or FALSE

In the genetic modification process, biotech scientists often use viruses and bacteria to invade cells of plants and insert foreign genes.

• TRUE

• FALSE