(a(i))[1]
Calculate how many male students there are in the class.
(a(ii))[1]
Calculate the difference between the numbers of male and female students with dimples.
(a(iii))[2]
Describe the evidence in Table 6.1 which indicates that dimples are an example of discontinuous variation.
(a(iv))[1]
State one further example of discontinuous variation in humans.
(a(v))[1]
State one human example of continuous variation.
(b)[4]
A mutation is a [BLANK] alteration. Mutations produce new [BLANK]. Certain chemicals and [BLANK] radiation can [BLANK] the mutation rate.