(a)[6]
Use the details in Fig. 6.1 and your own knowledge to fill in the sentences on variation.
(b)[2]
Draw two links from ‘discontinuous variation’ to two characteristics that show discontinuous variation.
(c(i))[1]
State the term used to refer to genetic change.
(c(ii))[1]
State one factor that may raise the rate at which genetic change occurs.
(d(i))[1]
Suggest why pea plants might be genetically modified so that they resist pests.
(d(ii))[2]
State two further examples of genetic modification in crop plants.