(a(i))[1]
State the name given to the male human gamete.
(a(ii))[1]
Put a letter X on the diagram to show where the male gametes are made.
(a(iii))[3]
The nucleus in the male gamete differs from the nuclei of the other cell types at location X. State the cause of this difference and explain why it is important in reproduction.
(b)[2]
Describe how the size and mobility of the male human gamete compare with those of the female human gamete.
(c)[3]
Complete the paragraph by entering the most suitable word in each blank. The fusion of a male human gamete and a female human gamete to produce a [BLANK] is known as [BLANK]. A ball of cells then forms and becomes implanted in the lining of the [BLANK].