Two sex cells, usually an egg and sperm, come together
the joining of an egg and sperm
formed in the male reproductive organs
found in the female reproductive organs
a cell that forms from fertilization is a
this begins after fertilization and a new organism develops
body cells have 23 pairs of similar chromosomes and are called
sex calls have 23 single chromosomes and are called
the nucleus divides and produces two new cells woth one duplicated chromosome each
the nuclei divide and the chromatids separate
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