Factors such as the increase in population, new pathogens and overhunting can result in food scarcity. Improved farming techniques, sustainable fisheries and biotechnology can help increase supply.
What is the name of the enzymes that cut DNA to leave sticky ends?
Which of these species has NOT been selectively bred?
Which of these is a problem with selective breeding?
Reduced genetic diversity
Disease resistance in crops
Large, unusual flowers
Which of these is a vector for genetic engineering?
Which is these is a characteristic of genetic engineering?
Produces an exact copy of the organism
Genes can be transferred between different species
Genes are swapped in the same organisms
What is a transgenic organism?
One that has had genetic material from a different species transferred into it
One that has extra copies of chromosomes in its cell nucleus
A genetically identical organism produced by asexual reproduction
Which of these crops are made by genetic modification?
Which of these is a problem with genetic modification?
Gene transfer into wild species
Human insulin made in bacteria
Improved crop yields
What is an advantage of selective breeding?
It is a quick process
Better quality food can be sourced
What is a benefit of genetic engineering compared to selective breeding?
The effects of eating GM organisms are unknown
Loss of biodiversity
It is a quicker process