(a) Explain the term 'fertilisation'. Describe the process of fertilisation in human beings.
(b) Draw a labelled diagram to show the fertilisation of a human egg by a sperm to form a zygote.
(a) Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The result of this union is the production of a zygote cell, or fertilized egg, initiating prenatal development. The process of fertilization involves a sperm fusing with an ovum.
(b)