Nuclear spindle

... donor cell with an activated enucleated oocyte to thereby obtain a nuclear transfer embryo, and impregnating an animal with the nuclear transfer ... relates to methods of chemically enucleating an oocyte having a meiotic spindle apparatus by exposing the oocyte with a compound that destabilizes ...

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... and now consists of two sister chromatids. At the end of prophase, the nuclear envelope breaks down into vesicles. 2 Metaphase: The chromosomes ... plate and are held in place by microtubules attached to the mitotic spindle and to part of the centromere. 3 Anaphase: The centromeres divide. ...

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Cell division prophase-DNA condenses into two sister chromatids and nuclear membrane disintegrates Metaphase-DNA lines up on the equator of the cell and attatched to spindle Anaphase-Sister chromatids pulled apart and travel to opposite ends of the cell ...

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... of cytoplasm a. Karyokinesis It involves four stages. 1. Prophase - Nuclear membrane and nucleolus disintegrates and centrosome divides to give to centriole on two poles. It forms spindle fibres on both the poles 2. Metaphase - In this phase the chromosomes come ...

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... shortening and thickening of the paired chromosomes, formation of the spindle fibers, disappearance of the nucleolus, and degeneration of the nuclear membrane. I hope my answer helped you. if you need anymore help just e-mail or leave ...

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