| 1. | There are many different developmental potentials throughout the blastula stage embryos.
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| 2. | In most other groups, the blastula undergoes more complicated rearrangement.
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| 3. | By blastula stage, the methylation of the embryonic cells is complete.
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| 4. | In mammals the blastula is referred to as a blastocyst.
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| 5. | A blastula is a sphere of cells surrounding a blastocoele.
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| 6. | Baer also received credit for the discovery of the blastula.
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| 7. | In vitro fertilisation involves implantation of a blastula into a mother s uterus.
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| 8. | Blastula cell implantation could potentially serve to eliminate infertility.
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| 9. | Blastula-stage cells can behave as pluripotent stem cells in many species.
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| 10. | The blastula stage of early embryo development begins with the appearance of the blastocoele.
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