the tip of the head contains chemicals that digest a path through the egg's outer coating, the large cytoplasm contains a store of food for energy, the jelly coat makes sure that only 1 sperm cell can enter, the tail helps the sperm to swim, there is little cytoplasm so the cell can be light and have a streamlined shape, contains many mitochondria to release energy for swimming, nucleus containing 23 chromosomes (half the DNA of a human) 1 of these chromosomes will be an X chromosome , nucleus containing 23 chromosomes 1 of these chromosomes will be an X or a Y chromosome, sperm cell, egg cell.

Male & Female Gametes

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