SL Paper 3
One method of inserting new genes into plants is by gene gun.
Outline how a gene gun inserts genes into plants.
[2]
a.
Marker genes are often inserted together with the new gene. State the function of the marker genes.
[1]
b.
Outline the characteristics of an open reading frame.
[2]
c.
Explain, using an example, how gene transfer to a plant could help increase crop yield.
[3]
d.