When constructing a punnett square, the symbols on the outside of the boxes represent gametes, while those inside the boxes represent progeny.
A haploid cell that combines with another haploid cell during fertilization in creatures that reproduce sexually is known as a gamete, or "wife," ultimately from Ancient Greek. Gametes, commonly known as sex cells, are an organism's reproductive cells.
Meiosis (reduced division), in which a germ cell splits into two pieces and produces four gametes, is the process by which gametes are created. Male and female gametes combine during fertilization to form a diploid zygote.
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