(a)[4]
Complete Table 7.1 by entering the term that fits each definition.
(b(i))[1]
State the number of chromosomes found in human body cells.
(b(ii))[1]
Describe the evidence from Fig. 7.1 that supports this statement.
(b(iii))[1]
Describe the genetic change that causes Down’s syndrome using the information in Fig. 7.1 and Fig. 7.2.