Examlex
DNA is copied within eukaryotic cells in the process of__________ to produce two identical DNA molecules.
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste.
Implantation
The process by which a fertilized egg attaches itself to the wall of the uterus, beginning the stages of pregnancy.
Embryonic Period
The stage in prenatal development that spans from conception to the eighth week, during which major organs and structures begin to form in the embryo.
Neural Tube
The precursor to the central nervous system in embryonic development, which later develops into the brain and spinal cord.
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