(a(i))[1]
State the name of structure W in Fig. 2.1.
(a(ii))[1]
Write the letter X within Fig. 2.1 to indicate where chromosomes are found.
(a(iii))[1]
State the substance from which chromosomes are made.
(b(i))[1]
State the sex chromosomes present in the body cells of a human male.
(b(ii))[3]
Complete the genetic diagram to show how sex is inherited. State the chance that the child will be female.