B5 0.0 / 5 ? BiologyGrowth & DevelopmentGCSEOCR Created by: beckyboboloCreated on: 11-01-16 19:28 Adult stem cell A cell able to differentiate, originating from an adult cell. 1 of 5 Embryo A ball of cells that will develop into a human/ animals baby. 4-11 weeks 2 of 5 Embryonic stem cell A cell able to differentiate, originating from an embryo cell. 3 of 5 Foetus/Fetus An unborn human/ animal baby 12 weeks 4 of 5 Zygote A cell formed by the fusion of the nuclei of a male sex cell and a female sex cell (gametes) 0-3 weeks 5 of 5
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