Introduction
Babies must be produced for the human species to survive.Reproduction ensures
new individuals are produced.
Sexual reproduction involves a male and female pair which produce different
types of sex cells called gametes.The male gamete is called a sperm,and
the female gamete is called the
ovum.Thess
two gametes join together during fertilization.
Fusion of the
gametes form a single cell called the zygote.The zygote then divides into
many cells forming the embryo.The
embryodevelops
into a baby.
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