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and karyotyped by modifying routine banding procedures . Biopsies placed directly into colchicine yielded the greatest mitotic index. However, chromosome morphology was unsuitable for G - banded analysis. After ...
to those cultured with CZB medium in their ability to develop to 9.5-day-old fetuses (28.1% versus 11.1%, P < 0.001). These results showed that the present procedure for producing androgenetic mouse embryos ...
, after fertilization, the X chromosome of paternal origin (Xp) will always be inactivated in female pre-implantation embryos and this is maintained in the extra-embryonic tissues of post-implantation ...
lighter coat color on their ears and tails, making this modified In(15)21Rk useful as a balancer for proximal mouse chromosome 15. INVERSIONS are chromosomal rearrangements that can be quite useful ...
tissues. Replicate lanes of the cDNA preparations of muscle, gut and brain, show reproducibility of the differential display procedures . Embryo -specific, PGC-specific and m-, g - and b-specific sequences ...
. In the present study, we demonstrate that embryo fibroblasts isolated from two different mouse strains show extensive DNA methylation and silencing of the telomeric transgenes. Consistent with this observation, we ...
was the presence of chromosome fusion. (C, E, G ): One line was scored as abnormal from a very early passage again exhibiting a chromosome fusion. To characterize this abnormality, G - banding was employed ...
- banding . (A) An activated mouse oocyte having swollen head of human spermatozoon (×400). (B) First mitotic metaphase chromosome complements; the solid arrow indicates mouse oocyte chromosome complements ...
in conjunction with the acetylation status of histones in mouse oocytes. Immunofluorescence studies revealed that BRD4 preferentially localized to mitotic chromosomes in early embryos . In contrast, not only ...
of the donor chromosomes or chromosomal abnormalities pre-existing in the donor cells. In the mouse , the chromosomal constitutions of cloned embryos are generally stable because of the presence of cytoplasmic ...
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