Science Source Feb 2010
EN_90286490_0226
![Science Source Feb 2010](img/medium/arch1/dvd0113/22/EN_90286490_0226.jpg)
TEM of human ovum, zygote cell stage, about 60 hours after fertilization. x1000. Immediately following the separation of chromosomes, the cell cleaves and becomes two cells called blastomeres. A nucleus can be seen in each. This occurs when a zygote undergoes its first in a series of mitotic divisions. Divisions will continue as the blastomeres move down the fallopian tubes to the uterine cavity.
2010-02-13
EAST NEWS
Science Source
Omikron
5q6714
1,48MB
36cm x 24cm by 300dpi
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