IGCSE - genetic engineering

In which ways can genetic engineering can improve crops

• Make them pest or drought resistant

• Make them more nutritious

• Make them larger

• All answers are correct

Tags

NGSS.MS-LS3-1

A clone is 

• recombinant DNA
• a transgenic organsim
• plasmid
• genetically identical 

Tags

NGSS.MS-LS3-2

What term is used to express creating an identical copy of a gene or organism?

• hybridization
• inbreeding 
• cloning 
• gene splicing 

Advantages of genetically modified crops include(s)

• insect resistance
• drought/freeze resistance
• higher yield
• all of these are reasons for using GMOs

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

What is recombinant DNA

• DNA from 2 different organisms combined

• DNA from 2 different ribosomes

• DNA that is separated out from a vector

Tags

NGSS.HS-LS3-2

Which of the following could be used as a vector for a human gene?

• Bacterial Plasmid

• Bacteria

• A mitochondria

• mRNA

"transgenic" refers to an animal that:

• Has DNA from another organism spliced into its genome

• Has undergone DNA modification

• Has unique genes for its species

Tags

NGSS.HS-LS3-2

A circular piece of DNA, found in bacteria, is called:

• A plasmid

• mRNA

• Ribosome

• Nucleotide

Which term refers to a farmer choosing the best corn from this year to plant next year?

• natural selection
• selective breeding
• genetic engineering
• genetic transformation

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-5

Which is used to cut DNA molecules at specific points?

• gel electrophoresis
• PCR analysis
• a restriction enzyme
• recombinant DNA