Zebrafish - Zygote Period: Difference between revisions
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Here cytoplasm moves toward the animal pole to form the blastodisc, which is where future cell divisions will occur. The blastodisc then divides into 2 cells and this division continues occurring well into the cleavage stages. | |||
Revision as of 14:34, 14 October 2009
The duration of this period is from 0 to 0.75 hours
- It is here that there is a transition from one cell to two cells
- Fertilisation occurs activating cytoplastimic movement
- The animal poles within the cell segregate the blastodisc from the yolk cytoplasm
- Segregation continues into the Cleavage Period
Here cytoplasm moves toward the animal pole to form the blastodisc, which is where future cell divisions will occur. The blastodisc then divides into 2 cells and this division continues occurring well into the cleavage stages.
Cleavage Period / Blastula Period / Gastrula Period / Segmentation Period / Pharyngula Period / Hatching Period / Larval Period] / Home Page