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13 Cards in this Set
- Front
- Back
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Blastomere
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Numerous small cells developed from a zygote during cleavage.
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Blastula
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A sphere of blastomeres.
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Gastrulation
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Movement of blastomeres.
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Gastrula
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An embryo going through gastrulation.
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Germ layers
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3 layers of cells created by gastrulation, Ectoderm, mesodem and endoderm.
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Organogenesis
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Rearrangement of cells to produce tissues and organs.
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Germ cells
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Cells that go on to form gamites.
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Somatic cells
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Cells that aren't germ cells.
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Vegetal hemisphere
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Bottom of the egg containing yolk.
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Animal hemisphere
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Top of egg. Less yolk.
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Female pronucleus
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Haploid nucleus of egg.
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Male pronucleus
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Haploid nucleus of the sperm.
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Zygote nucleus
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Diploid nucleus of fertilized egg.
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