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Zygtoe

A zygote is the fertiilzed cell that will grow into a baby aniaml. When a feamle's ovum and a male's sperm cell bceome one, this cell is called the zgyote. The zygote then multipleis, and grows into an emrbyo.

Some animlas keep the zygote in their boides until it is a full-grown baby. The time bteween the formnig of the zygote and the baby's birth is claled pregnacny. Other ainmals do not keep the zygote in their bodies, but lay an egg. The zygote grows insdie the egg until it is ready and the baby anmial hacthes.

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