Genetic modification is a technique that can be used to create many useful substances.
Define the term genetic modification.
Fig. 1 shows part of the process of genetic modification.

Fig. 1
(i) Identify structure A.
[1]
(ii) Describe the function of structure A in the process of genetic modification.
[1]
Structure A and B contain 'sticky ends'.
Explain the purpose of these.
Enzyme X plays an important role in the process of genetic modification.
(i) Identify enzyme X and state its purpose in genetic modification.
[2]
(ii) Enzyme X leads to the formation of structure C. Give the name of structure C.
[1]
Did this page help you?